Step 2

Preheat the oven to 325°. Lightly spray a loaf pan with nonstick cooking spray.

Step 3

In a small bowl, whisk together the flour, baking soda and salt. In the bowl of a stand mixer, cream together the shortening and sugars. Add the mashed banana, peanut butter, applesauce and vanilla, and continue mixing. Slowly add the flour mixture and blend until smooth.

Step 4

Spread half of the batter in the prepared pan. Drop 1½ tablespoons of jam on top and swirl the jam through the batter with a knife, covering the surface evenly. Spread the remaining batter on top. Drop the remaining 1 tablespoon of jam on top and swirl through the batter with a knife.

Step 5

Bake until a toothpick inserted in the center comes out with moist, crumbs attached, 60 to 70 minutes. Let cool before serving.