Whether this is your very first batch of overnight oats or you're just looking for a new flavor to try, this recipe is for you. Peanut butter and oatmeal are the perfect match, and this breakfast idea can be stirred together in minutes. It's perfect for meal prep this week!
In a 12-ounce or larger glass jar, combine the rolled oats, flax, peanut butter, maple syrup, collagen (if using), and milk. Stir well to mix.
Secure a lid on the jar, then place it in the fridge to chill overnight. You can make this up to 3 days in advance, so feel free to double or triple the recipe to make more jars at once.
In the morning, take the lid off the oats and stir well. Add any toppings you like, such as fresh fruit or an extra drizzle of peanut butter. These oats are ready to eat right away.
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Notes
Nutrition information is for the whole batch. This information is automatically calculated and is just an estimate, not a guarantee.If you don't have flax seeds on hand, chia seeds could also be used. Update Note: This recipe was updated in January 2024 to use 1/4 cup more liquid, resulting in a better texture the next day. In 2025, I added the option of using collagen or hemp hearts for added protein.