01 - Preheat oven to 350°F. Grease a 9x5-inch loaf pan or line with parchment paper.
02 - In a large bowl, mash bananas until smooth. Add melted butter, eggs, and vanilla extract, stirring until well blended.
03 - In a separate bowl, whisk together flour, granulated sugar, baking soda, and salt.
04 - Add dry ingredients to wet mixture. Stir gently just until combined, avoiding overmixing.
05 - Carefully fold in diced strawberries and chopped nuts, if using, distributing evenly throughout the batter.
06 - Pour batter into prepared loaf pan, smoothing the top if necessary.
07 - Bake for 50 to 55 minutes, or until a toothpick inserted in the center emerges clean.
08 - Allow bread to cool in the pan for 10 minutes, then transfer to a wire rack to cool completely before slicing.