Preheat oven to 350 F. In a large mixing bowl, combine melted butter, sour cream (or plain greek yogurt), egg, 2 mashed bananas, vanilla, and sugar. Whisk until smooth and sugar is dissolved, 1-2 minutes.
On top of wet ingredients add flour, salt, and baking powder and mix until just combined.
Fold in strawberries that have been tossed in flour. Batter will be thick.
Bake at 350℉ in a greased 9x5 inch loaf pan prepared with parchment paper for 50-55 min or until inserted toothpick comes out clean.
For the strawberry glaze:
In a bowl or plastic resealable bag, mash fresh strawberries into a puree, then add vanilla and powdered sugar.
Let bread cool for 20-30 minutes, then drizzle glaze over top of loaf.
Notes
Note: Make sure the loaf cools for awhile before icing, or the icing will melt into the bread. Store in airtight container at room temperature for up to 3 days,Freeze for up to 3 months.