Birthday Cake Protein Overnight Oats

Birthday cake protein overnight oats that taste like funfetti batter and pack 32 grams of protein in one jar. ♡

These birthday cake protein overnight oats taste like a slice of funfetti cake and deliver 32 grams of protein per jar. Vanilla protein, almond extract, and a sprinkle of rainbow nonpareils give you the cake batter flavor with breakfast macros that actually fuel a workout. For more ideas, see our High Protein Turkey Chili.

Dessert for breakfast that hits your protein goals. Let’s make it together.

Ingredients

Birthday Cake Protein Overnight Oats

• 1/2 cup old fashioned rolled oats
• 1 scoop vanilla casein or whey protein powder, about 1/3 cup
• 2/3 cup unsweetened almond milk, or milk of choice
• 1 tbsp chia seeds
• 1/2 tsp vanilla extract
• 1/4 tsp almond extract
• 1 pinch kosher salt
• 1 tbsp rainbow nonpareils sprinkles, for topping
• 1 tbsp Greek yogurt, for topping (optional)

How to Make Birthday Cake Protein Overnight Oats

1. **Whisk.** In a 16 oz mason jar combine oats, protein powder, almond milk, chia seeds, vanilla, almond extract, and salt.
2. **Stir.** Stir really well so the protein powder fully dissolves with no clumps at the bottom.
3. **Chill.** Cover and refrigerate at least 6 hours, ideally overnight.
4. **Top.** In the morning stir again, add a splash of milk if too thick, and top with sprinkles and a dollop of Greek yogurt.
5. **Serve.** Eat cold straight from the jar. The oats stay good 4 days in the fridge for meal prep.

Why This Recipe Works

Vanilla casein or whey protein powder is the secret to that exact birthday cake flavor profile. Casein in particular thickens overnight oats into a pudding texture, plus its slow digesting amino acids keep you full into lunch. The vanilla protein doubles as the natural sweetener, so no extra sugar needed.

Almond extract is the underrated note that turns vanilla into actual cake batter. Almond extract is what bakers use in white cake recipes to push the flavor from vanilla into birthday cake territory. A quarter teaspoon is all it takes, and skipping it leaves the oats tasting like generic vanilla.

Rolled oats absorb liquid slowly overnight, which is why they hold their texture better than instant or steel cut. Instant oats turn to mush in 8 hours, and steel cut oats stay too chewy without cooking. Old fashioned rolled is the sweet spot for spoonable creamy overnight oats. For more ideas, see our Mango Lassi Protein Smoothie.

Tips

• Use casein protein powder for the thickest pudding texture. Whey works but stays slightly thinner.
• Add the rainbow sprinkles right before eating so they keep their color and crunch.
• Use rolled oats not instant or steel cut. Instant turns to mush, steel cut stays chewy.
• Store in the fridge up to 4 days for grab and go breakfasts.
• If too thick after the fridge stir in 1 to 2 tablespoons milk to loosen.
• Common mistake: do not skip the almond extract. It is what makes the oats taste like cake.

Variations

• Add 1 tbsp Greek yogurt for extra protein and tang.
• Top with crushed graham crackers for cake meets cheesecake vibes.
• Stir in 1/2 cup blueberries for a fruity twist.
• Use chocolate protein powder for chocolate birthday cake oats.
• Add 1 tbsp white chocolate chips for cake pop flavor.
• Top with a dollop of whipped Greek yogurt and extra sprinkles.

Looking for more recipes? Try our Strawberry Banana Protein Smoothie Bowl or Greek Yogurt Brownie Batter Dip next.

Common Mistakes to Avoid

• Skipping the almond extract: This is what creates the cake batter flavor. Vanilla alone tastes like plain vanilla oats.
• Adding sprinkles the night before: Sprinkles bleed color overnight. Add them right before eating for the funfetti look.
• Using instant oats: Instant turns to mush. Old fashioned rolled oats hold their texture overnight.
• Using too much liquid: Stick to a 1 to 1 ratio of oats to milk. More liquid leaves runny oats.

Birthday Cake Protein Overnight Oats

Birthday cake protein overnight oats that taste like funfetti and pack 32g of protein per jar. Dessert for breakfast.

Print Recipe Pin Recipe

Prep Time 5 minutes mins

Total Time 6 hours hrs 5 minutes mins

Servings: 1 servings

Course: Breakfast

Cuisine: American

Calories: 380

Ingredients Method Notes

Ingredients

  

• 1/2 cup old fashioned rolled oats
• 1 scoop vanilla casein or whey protein powder about 1/3 cup
• 2/3 cup unsweetened almond milk or milk of choice
• 1 tbsp chia seeds
• 1/2 tsp vanilla extract
• 1/4 tsp almond extract
• 1 pinch kosher salt
• 1 tbsp rainbow nonpareils sprinkles for topping
• 1 tbsp Greek yogurt for topping (optional)

Method

 

1. **Whisk.** In a 16 oz mason jar combine oats, protein powder, almond milk, chia seeds, vanilla, almond extract, and salt.
2. **Stir.** Stir really well so the protein powder fully dissolves with no clumps at the bottom.
3. **Chill.** Cover and refrigerate at least 6 hours, ideally overnight.
4. **Top.** In the morning stir again, add a splash of milk if too thick, and top with sprinkles and a dollop of Greek yogurt.
5. **Serve.** Eat cold straight from the jar. The oats stay good 4 days in the fridge for meal prep.

Notes

Use casein protein powder for the thickest pudding texture. Whey works but stays slightly thinner. Add the rainbow sprinkles right before eating so they keep their color and crunch. Use rolled oats not instant or steel cut. Instant turns to mush, steel cut stays chewy.

Sources: USDA FoodData Central for protein data and Harvard T.H. Chan School of Public Health on protein requirements.

FAQ

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