These creamy Birthday Cake Overnight Oats have the BEST cake batter flavor! Easy to prep in 5 minutes for a fun & delicious make-ahead breakfast that tastes like a dessert. (Vegan, gluten-free, oil-free option.)

These birthday cake overnight oats only take about 5 minutes of prep! It's easy to make the the night before, then you can wake up to a delicious breakfast ready to go.
They have the BEST flavor and taste just like cake batter. (Yum!) Plus they're so fun & festive with rainbow sprinkles that look like colorful confetti.
This recipe is a happy fusion between my Vanilla Almond Overnight Oats and Birthday Cake Batter Shake. It's the best of both worlds! You can enjoy it as a quick meal prep breakfast or even a healthier dessert with a dollop of dairy-free whipped cream.

Ingredients for Birthday Cake Overnight Oats
For this recipe, you'll stir together in a small mason jar and then refrigerate:
- Old-fashioned rolled oats: Be sure to use certified gluten-free oats if needed. I purchase organic whenever possible.
- Dairy-free milk: I use plain, unsweetened homemade cashew milk. But any plant milk will work such as soy milk, almond milk, oat milk, etc.
- Pure maple syrup: Or use your own favorite liquid sweetener like agave nectar or vegan honey to taste.
- Almond butter: I love the rich, creaminess this adds to the oat mixture. But you can substitute another nut butter like cashew butter. I don't recommend using peanut butter because I find it changes the flavor too much and overpowers everything else. Stick to almond butter or cashew butter for a more neutral flavor.
- Vegan rainbow sprinkles: Most of the time, I use Watkins rainbow sprinkles (with no artificial dyes) or Whole Foods 365 brand which are both vegan-friendly. (However these do contain a small amount of oil.)
- Chia seeds: These are a classic ingredient in overnight oats. They help thicken the mixture, and also add omega-3 fatty acids.
- Pure vanilla extract
- Almond extract: Don't leave this out because it's a key ingredient for the classic "cake batter" taste. Just a little goes a long way!

Customizing
Sweetness: For a reduced-sugar option, decrease the amount of maple syrup and omit the sprinkles. Or for sweeter oats, add more syrup to taste.
Higher protein: Add a small scoop of your favorite vanilla protein powder or dairy-free plain Greek yogurt. Or simply add more almond butter before serving!
Batch size: This recipe makes about one heaping cup overnight oats, which is one large or two smaller servings. So feel free to double or triple the recipe as needed.

Serving
Enjoy your oatmeal right out of the fridge, or garnish your bowl with fun toppings! A few ideas include:
- Dairy-free whipped cream (such as coco whip)
- Extra sprinkles
- Fresh berries (strawberries, blueberries, blackberries)
- Other fresh fruit (sliced banana)
- Extra dollop of almond butter
- Granola
Storing
Chilling time: Once your cake batter oat mixture is combined, it needs to chill in the fridge for at least 4 hours or more. (Overnight is perfect!) I use a sealed glass mason jar or other airtight container. Letting it sit in the refrigerator allows the oats to absorb the milk and flavors, and also softens the texture.
Storage time: I find overnight oats are best enjoyed within 24 hours, but can keep in the fridge for 2-3 days.

For more inspiration, also browse all vegan breakfast recipes.

Birthday Cake Overnight Oats (Vegan!)
Ingredients
- 1/2 cup old-fashioned rolled oats (GF if needed)
- 1/2 cup dairy-free milk
- 2 Tbsp. pure maple syrup
- 1 Tbsp. almond butter
- 2 tsp. chia seeds
- 1/2 tsp. pure vanilla extract (or slightly more)
- 1/8 tsp. almond extract
- 1 Tbsp. vegan rainbow sprinkles*
Instructions
- In a small jar, add all ingredients except oats. Stir to combine.
- Add oats and stir again. Then gently press down with a spoon to make sure all oats are fully submerged in the liquid.
- Cover and place in the fridge for at least 4 hours or overnight.
- Serve as is, or top with vegan whipped cream, more sprinkles, fresh berries, sliced banana, etc. You can also add a splash of milk before serving for creaminess.
Notes
Nutrition Per Serving (Estimate)
Sodium content: This is omitted as I cannot provide an accurate number. I encourage you to calculate your own to provide a much more precise reading based on the exact ingredients, brands, and amounts you're using.
If you're enjoying this vegan birthday cake batter overnight oats recipe, also check out:
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