Whisk together oats, flour, peanuts, and cinnamon.

Stir in melted butter and honey until everything is well combined. Set aside.

Preheat oven to 425 degrees F. Grease a 9x5 non stick loaf pan with cooking spray and line it with a strip of parchment paper. The parchment paper should hang off the sides of the loaf pan. Also, grease a non-stick standard 12 slot muffin pan.

In a large bowl, whisk together the dry ingredients: flour, cinnamon, baking soda, baking powder and salt.

In another large bowl, whisk together wet ingredients: melted butter, honey, peanut butter, buttermilk, vanilla, and egg.

Stir in mashed banana.

Stir wet ingredients into dry ingredients. Be sure to not over mix!

Using a 1/4 cup measuring cup, fill 6 of the slots with batter and top each muffin with 1 tablespoon of streusel. Set aside.

Fill the loaf pan with the rest of the batter and top with the rest of the streusel.

Bake at 425 degrees for 5 minutes and then lower heat to 325 degrees.

Bake loaf for about 50 minutes. Loaf is done when toothpick inserted in center comes out clean.

Bake muffins for about 13 minutes.

Let cool and then use the parchment paper overhang to gently lift the loaf out of the pan.

Take 5 seconds to rate this recipe below. We greatly appreciate it!