Step 1

Preheat oven to 375°F. Coat a 12-cup muffin tin with cooking spray.

Step 2

Combine oats, milk, 1/4 cup peanut butter, applesauce, eggs, brown sugar, baking powder, vanilla and salt in a large bowl. Fill each muffin cup with a heaping 2 tablespoons of batter, then divide the remaining 1/4 cup peanut butter and chocolate chips among the muffin cups, about 1 teaspoon each. Cover with the remaining batter, about 2 tablespoons each. Bake until a toothpick inserted in the center comes out clean, about 25 minutes. Cool in the pan for 10 minutes, then turn out onto a wire rack. Serve warm or at room temperature.