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pb&j baked oatmeal // cait's plate

pb&j baked oatmeal

  • Author: Cait
  • Prep Time: 5 minutes
  • Cook Time: 30 minutes
  • Total Time: 35 minutes
  • Yield: 6 squares 1x
  • Category: breakfast
  • Method: baking


turned your favorite sandwich from childhood into a delicious, nourishing, easy-to-make breakfast! this baked oatmeal is packed with pb&j flavor and reheats well for a quick weekday morning breakfast!


  • 2 cups old fashioned or rolled oatmeal
  • 11.5 teaspoons ground cinnamon
  • 1 tablespoon packed brown sugar
  • 1 teaspoon baking powder
  • 2 tablespoons chia seeds
  • 1 cup raspberries or diced strawberries (see note #1)
  • 1 large egg, beaten
  • 2 cups milk of choice
  • 1 teaspoons vanilla
  • 1/3 cup natural creamy peanut butter, salted (see note #2)
  • Optional toppings: additional peanut butter, yogurt, pure maple syrup, diced berries, jam


  1. Preheat oven to 375 degrees F and grease an 8×8 baking dish (if using a larger dish, baking time will be reduced)
  2. Combine oats, cinnamon, sugar, baking powder and chia seeds in a mixing bowl and set aside.
  3. In a separate bowl, combine egg, milk, vanilla and peanut butter, whisking to combine.
  4. Add wet ingredients to dry ingredients then fold in berries of choice
  5. Let sit for 2 minutes to allow chia seeds to soak up some of the liquid.
  6. Pour mixture into the prepared baking dish and use a spatula to spread out evenly.
  7. Bake for 30 minutes or until mixture is set (you can test with a cake tester or a knife – if the tip comes out dry or with a few wet crumbs, it’s ready).
  8. Allow to cool for 15-20 minutes before slicing (you don’t have to wait, but it may fall apart if scooping out when immediately out of the oven)


  • If using frozen fruit, reduce the amount of milk in the recipe by 1/2 – 2/3 cup
  • If using unsalted peanut butter, add 1/4 teaspoon salt to the recipe with the dry ingredients
  • Keeps well in an airtight container in the fridge for up to 5 days
  • To reheat – simply microwave on 60-90 seconds

Keywords: breakfast, baked oatmeal, pb&j, peanut butter, strawberry, oatmeal, whole grain, vegetarian

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