Banana Nutella Swirl Bread

I'll begin my dialogue today by saying that thanks to my daughter Amber we have the perfect banana muffin recipe. It is made with whole wheat flour, mini chocolate chips and it is delicious. It is a great way to use those leftover bananas. It is made in mini muffin tins so it also cooks quickly. I should just be happy.
 But..I'm still on a quest--to make a loaf of banana bread that doesn't fall in the center. I want a slight rise and I want to serve nice slices that don't fall apart. I want the loaves to slide out of the pans and I want it to taste good. I've blamed my failures on high altitude, old bent pans, too many add-ins etc.
Today I made progress! I found a recipe that looked promising, it was on Barbara Bakes, one of my favorite blogs. It was a recipe originally from Cooking Light--when I saw the addition of Nutella swirls I had to try it. Here is the recipe from Barbara Bakes:

Banana Nutella Bread

1 cup mashed very ripe banana (about 3 small)
1/2 cup brown sugar
1/2 cup low fat sour cream I used Non-Fat Greek Yogurt
1/4 cup butter, melted
2 eggs I used 1 whole egg and 2 egg whites

2 cups all-purpose flour

1 t. baking powder

1/2 t. baking soda

1/4 t. salt

1/2 cup Nutella

Combine first 5 ingredients in a large bowl; beat at medium speed of an electric mixer until well blended. Combine flour and next 3 ingredients; Add flour mixture to banana mixture, stirring just until moistened.

Spoon 1/2 batter into an 8 1/2 x 4 1/2 x 3-inch loaf pan coated with baking spray with flour. Add 1/4 cup Nutella in dollops. Swirl a bit then top again with remaining batter. Add another 1/4 cup Nutella in dollops on top. Swirl again.

Bake at 350º for 1 hour and 5 minutes or until a wooden pick inserted in center comes out clean. Cool 10 minutes in pan on a wire rack; remove from pan, and cool completely on a wire rack. Bake mini loaves for 35 minutes or muffins for 18 minutes. I made 3 mini loaves in a Pampered Chef Stoneware pan. They cooked about 32 minutes. I seem to have better luck when I use mini loaf pans. They are easier to share and very cute!