High-Protein Peanut Butter Overnight Oats (Printable)

Creamy oats soaked overnight with peanut butter, vanilla, and protein for a nourishing grab-and-go breakfast.

# What You Need:

→ Base

01 - ½ cup old-fashioned rolled oats
02 - ¾ cup unsweetened milk of choice (dairy, soy, or pea milk)
03 - ¼ cup plain Greek yogurt or high-protein non-dairy yogurt
04 - 2 tablespoons natural peanut butter
05 - 1 scoop vanilla or unflavored protein powder
06 - 1-2 teaspoons honey or maple syrup
07 - ½ teaspoon pure vanilla extract
08 - Pinch of fine sea salt
09 - 1-2 tablespoons water or extra milk as needed

→ Optional Add-Ins

10 - 1 tablespoon chia seeds or ground flaxseed
11 - ½ teaspoon ground cinnamon
12 - 2-3 tablespoons diced banana, berries, or apple
13 - 1 tablespoon mini dark chocolate chips or cacao nibs
14 - 1 tablespoon chopped roasted peanuts

→ Toppings

15 - 1 tablespoon peanut butter or reconstituted powdered peanut butter
16 - Fresh fruit such as banana slices, strawberries, or blueberries
17 - Dollop of Greek yogurt
18 - Toasted nuts or seeds such as peanuts, almonds, or pumpkin seeds
19 - Drizzle of honey or maple syrup
20 - Pinch of flaky sea salt

# Steps:

01 - Select a clean jar or container with a tight-fitting lid and 12-14 ounce capacity
02 - Add rolled oats to the jar and stir in chia seeds, flaxseed, cinnamon, and protein powder if using. Add a pinch of salt
03 - In a separate bowl, whisk together milk, Greek yogurt, peanut butter, vanilla extract, and honey or maple syrup until smooth. Add 1-2 tablespoons water or extra milk if the mixture is too thick
04 - Pour the peanut butter mixture over the oats and dry ingredients. Stir very thoroughly to ensure there are no dry pockets
05 - If the mixture is very thick, add a splash more milk and stir again
06 - Stir in sturdy fruits or chocolate chips if using. Reserve delicate fruit to add just before serving
07 - Seal the container and refrigerate for at least 4 hours, preferably 8-12 hours overnight
08 - In the morning, stir well and check the consistency. Add additional milk if desired
09 - Top with a spoonful of peanut butter, fresh fruit, yogurt, nuts or seeds, and a drizzle of honey or maple syrup. Sprinkle with flaky sea salt if desired
10 - Enjoy straight from the jar or transfer to a bowl. Refrigerated leftovers keep for up to 2 days; add fresh fruit just before serving

# Expert Advice:

01 -
  • It delivers serious staying power, real protein and fiber that keep you going without the mid-morning crash.
  • You can customize it endlessly, swap nut butters, stir in fruit, or go full chocolate mode without losing the creamy base.
  • Mornings become simpler when breakfast is already waiting in the fridge, ready to grab or eat straight from the jar.
02 -
  • Stir the oats really well before refrigerating, otherwise the protein powder clumps at the bottom and you end up with chalky bites in the morning.
  • The texture firms up overnight, so if it looks a little loose when you first mix it, don't panic, it will thicken as the oats absorb the liquid.
  • Always use a jar with a tight lid, loose covers let the oats dry out and pick up fridge smells.
03 -
  • Use a jar with a wide mouth so you can stir easily and scrape every last creamy bit from the bottom.
  • If you want even more protein, layer in an extra dollop of Greek yogurt on top in the morning, it adds creaminess and keeps you full even longer.
  • A pinch of flaky sea salt on top right before eating makes the peanut butter flavor bloom and balances the sweetness beautifully.
Return