As I stirred the vibrant green mixture early one sunny morning, the familiar tang of lime whisked me away to a breezy beachside café. These Creamy Vegan Key Lime Pie Overnight Oats are not just a breakfast; they’re a refreshing escape, combining creamy goodness with a zesty punch that will brighten your day. Perfectly vegan and gluten-free, this recipe offers a quick and effortless way to meal prep, meaning busy mornings won’t disrupt your commitment to healthy eating. Plus, with just a few simple ingredients, you can indulge in a delightful morning treat that is as nutritious as it is delicious. Are you ready to discover how easy it is to wake up to a burst of sunshine?

Why are Key Lime Pie Overnight Oats irresistible?
Creamy Delight: The combination of non-dairy yogurt and chia seeds creates a luxuriously creamy texture that mimics traditional key lime pie.
Zesty Freshness: The tangy lime zest and juice infuse each bite with a refreshing burst, bringing a taste of summer to your breakfast table year-round.
Quick Prep: A simple, no-cook solution means you can whip these up in under 10 minutes, making busy mornings a breeze!
Healthy Indulgence: Packed with fiber and whole grains, these oats keep you satisfied while catering to your vegan and gluten-free needs.
Customizable Joy: Tweak the recipe to your liking—add fruit, swap lime for lemon, or sprinkle in coconut for an extra tropical flair!
For more mouthwatering breakfast ideas, check out my Overnight Croissant Breakfast casserole that offers a fun twist on your morning routine.
Key Lime Pie Overnight Oats Ingredients
For the Oats
- Rolled or Quick Oats – The hearty base of the recipe that provides bulk and sustenance; avoid steel-cut oats without extra soaking.
- Chia Seeds – These tiny seeds add texture and help thicken the oats into a creamy consistency, akin to a dessert.
For the Creamy Mixture
- Lime Zest – This vibrant addition offers a bright citrus flavor, essential for that key lime pie essence; use a microplane for perfect zest.
- Plain Non-Dairy Yogurt – Adds creaminess and tang; opt for unsweetened varieties like almond or coconut for better flavor balance.
- Non-Dairy Milk – Hydrates the oats for a delightful creamy finish; choose any unsweetened plant-based milk you love.
- Lime Juice – Infuses the mixture with the tartness necessary for authentic key lime flavor; always use fresh for the best taste.
- Maple Syrup – This natural sweetener balances the zing of lime; adjust the quantity according to your sweetness preference.
Optional Additions
- Granola – Adds a delightful crunch and elevates the visual appeal of your dish.
- Graham Cracker Crumbs – Sprinkle on top for that classic key lime pie vibe; a fun, crunchy texture contrast.
- Fresh Fruit – Incorporate berries or banana slices for added freshness and vibrant color.
With these ingredients, your Key Lime Pie Overnight Oats will be an irresistible morning delight!
Step‑by‑Step Instructions for Key Lime Pie Overnight Oats
Step 1: Combine the Dry Ingredients
In a mason jar or sealable container, begin by adding 1 cup of rolled oats and 2 tablespoons of chia seeds. Grate the zest of one lime directly into the mix to allow the oils and flavors to infuse the oats. Stir gently to ensure the chia seeds and lime zest are evenly distributed among the oats before moving on to the next step.
Step 2: Mix the Creamy Ingredients
Next, pour in 1 cup of plain non-dairy yogurt and 1 cup of your choice of unsweetened non-dairy milk, like almond or oat milk. Squeeze in the juice of two fresh limes for that essential tang. Add 2 tablespoons of maple syrup to balance the tartness. Use a whisk or fork to combine all ingredients thoroughly until the mixture is smooth and creamy, mimicking the consistency of Key Lime Pie.
Step 3: Refrigerate to Thicken
Seal the jar tightly and place it in the refrigerator for at least 4 hours or, preferably, overnight. This chilling time allows the oats to absorb the liquid and the chia seeds to swell, thickening the mix into a luscious, pudding-like texture. When you remove the jar, the oats should appear plump and creamy with a vibrant lime color.
Step 4: Final Stir and Serve
Upon removing the Key Lime Pie Overnight Oats from the fridge, give the mixture a good stir to combine any ingredients that may have separated. The oats should be thick and smooth. For an added treat, transfer them to a bowl or enjoy straight from the jar, adding your favorite toppings like granola, graham cracker crumbs, or fresh fruit for extra texture and visual appeal.

Expert Tips for Key Lime Pie Overnight Oats
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Use Fresh Ingredients: Fresh lime juice and zest are crucial for that authentic key lime flavor. Bottled juices often lack the bright taste your oats deserve.
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Sweetness Balance: Adjust the maple syrup to your taste. Start with 2 tablespoons, and increase if needed, especially if you prefer a sweeter breakfast.
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Avoid Separation: Stir well before serving to reincorporate any ingredients that may have settled or separated in the fridge. This keeps your Key Lime Pie Overnight Oats creamy throughout.
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Make Ahead: These oats can be prepared up to three days in advance, making them perfect for meal prep. Just store them in airtight containers to maintain freshness.
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Texture Variations: If you prefer creaminess, blend the non-dairy yogurt before mixing in the oats. This enhances the texture and creates an even smoother consistency.
Key Lime Pie Overnight Oats Variations
Feel free to get creative with these Key Lime Pie Overnight Oats and customize them to your taste!
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Lemon Zest: Swap lime juice and zest for lemon for a bright, tangy alternative. This adds a refreshing citrus twist while keeping the recipe light and zesty.
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Coconut Flakes: Add shredded coconut for a tropical flair. The coconut offers an added texture that pairs beautifully with the creamy oats, giving you a mini-vacation in every bite!
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Berry Boost: Incorporate fresh berries like strawberries or blueberries for sweetness and color. Their natural sweetness balances the tartness of lime, resulting in an enticing explosion of flavors.
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Nutty Delight: Mix in a tablespoon of almond or peanut butter for a nutty profile. This also enhances the creaminess and provides an extra boost of protein to your breakfast.
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Spicy Kick: Add a pinch of cayenne or chili powder for a surprising heat. This adds a zing that elevates your oats, making them unforgettable and oh-so-exciting.
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Chocolate Twist: Sprinkle in some cocoa powder or top with dark chocolate chips. This indulgent variation transforms your breakfast into a decadent dessert.
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Graham Cracker Crust: Crumble graham crackers into the mixture or use as a topping to capture that classic key lime pie experience. It adds a delightful crunch that recalls childhood treats.
For a full breakfast experience, try pairing your overnight oats with a slice of my Boston Cream Pie that your family will love!
Storage Tips for Key Lime Pie Overnight Oats
Fridge: Store your Key Lime Pie Overnight Oats in an airtight container in the refrigerator for up to 3-4 days. This ensures they remain fresh and delicious for your upcoming breakfasts!
Freezer: If you wish to freeze the oats, portion them into freezer-safe containers and enjoy them within 1-2 months. Defrost in the fridge overnight before serving.
Serving: When ready to enjoy, stir the oats well to reincorporate any separated ingredients. You can enjoy them cold or warm them gently in the microwave if preferred.
What to Serve with Key Lime Pie Overnight Oats?
Imagine a delightful breakfast spread that not only compliments your creamy key lime pie overnight oats but also makes your mornings even more inviting!
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Fresh Berries: Juicy strawberries or blueberries add a sweet burst of flavor and gorgeous color, enhancing your oatmeal’s presentation.
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Toasted Coconut Flakes: A sprinkle of coconut provides a lovely crunch and an additional layer of tropical bliss, echoing the tropical essence of lime.
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Coconut Yogurt: For an extra creamy touch, top with coconut yogurt that mirrors the key lime filling’s richness and draws out its flavors.
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Crispy Granola: A handful of crunchy granola not only adds texture but also introduces nutty notes and enhances the heartiness of your oats.
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Iced Herbal Tea: Pairing this vegan dish with refreshing iced herbal tea often balances the zesty flavors perfectly while keeping you hydrated.
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Chilled Citrus Salad: A mix of orange, grapefruit, and lime segments adds a zesty zing that harmonizes beautifully with the overnight oats.
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Banana Slices: Creamy banana slices compliment the tartness of the lime, making your breakfast both filling and indulgent.
These delightful accompaniments will elevate your key lime pie overnight oats to a complete breakfast experience, making your mornings brighter and more delicious!
Make Ahead Options
These Key Lime Pie Overnight Oats are a fantastic option for meal prep enthusiasts! You can assemble the dry ingredients—1 cup of rolled oats, 2 tablespoons of chia seeds, and the zest of one lime—up to 24 hours in advance. Simply combine them in a jar or sealable container, then refrigerate. The wet mixture (1 cup non-dairy yogurt, 1 cup non-dairy milk, juice from two limes, and 2 tablespoons of maple syrup) can be prepared the night before and stored separately. When you’re ready to enjoy, just stir everything together before serving for a refreshing breakfast that tastes just as delicious on busy mornings!

Key Lime Pie Overnight Oats Recipe FAQs
What type of oats should I use for Key Lime Pie Overnight Oats?
Absolutely use rolled oats or quick oats as they provide the ideal texture and bulk for this recipe. I recommend avoiding steel-cut oats since they may not soften properly without extended soaking, which would alter the creamy consistency you’re aiming for.
How should I store Key Lime Pie Overnight Oats, and how long will they last?
These delectable oats can be stored in an airtight container in the refrigerator for up to 3-4 days. Just ensure they’re sealed, as exposure to air can lead to drying out or spoilage. Always check for any changes in texture or smell before consuming!
Can I freeze Key Lime Pie Overnight Oats?
Yes, you can! To freeze, portion your prepared oats into freezer-safe containers. They can be kept in the freezer for up to 1-2 months. When you’re ready to enjoy, simply transfer them to the fridge the night before to allow for gentle thawing. Give them a good stir before serving to reincorporate any liquids.
What do I do if my oats are too thick after refrigerating?
If your Key Lime Pie Overnight Oats turn out too thick after chilling, don’t worry! Simply add a splash of your favorite non-dairy milk and stir until you reach the desired consistency. This method helps restore the creamy texture without compromising flavor.
Can I adjust the sweetness of my Key Lime Pie Overnight Oats?
Very! Sweetness can easily be adjusted by varying the amount of maple syrup. I suggest starting with 2 tablespoons, tasting, and then adding more if you prefer a sweeter breakfast. You can also explore alternatives, like coconut sugar or agave syrup, depending on your liking.
Are Key Lime Pie Overnight Oats safe for those with allergies?
Definitely! They’re vegan and can be gluten-free if you choose certified gluten-free oats. However, if you or someone you’re serving has nut allergies, make sure to select non-dairy milk that’s nut-free, like oat milk, and opt for a safe non-dairy yogurt alternative. Always double-check ingredient labels to ensure safety!

Zesty Key Lime Pie Overnight Oats for a Bright Start
Ingredients
Equipment
Method
- In a mason jar or sealable container, add 1 cup of rolled oats and 2 tablespoons of chia seeds. Grate the zest of one lime directly into the mix. Stir gently to combine.
- Pour in 1 cup of plain non-dairy yogurt and 1 cup of unsweetened non-dairy milk. Squeeze in the juice of two fresh limes and add 2 tablespoons of maple syrup. Whisk until combined and smooth.
- Seal the jar tightly and refrigerate for at least 4 hours or overnight. The oats will absorb the liquid and thicken.
- Remove the oats from the fridge, stir well, and enjoy them in a bowl or straight from the jar, adding toppings like granola or fresh fruit as desired.

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