Step 1: Preheat oven Preheat your oven to 350°F (175°C). Line a loaf pan with parchment paper or grease it lightly.
Step 2: Mix the wet ingredients In a large bowl, mash bananas. Add eggs, Greek yogurt, honey/agave, and vanilla. Whisk until smooth.
Step 3: Add dry ingredients In a separate bowl, whisk together flour, Vitauthority protein powder, baking soda, cinnamon, and salt.
Step 4: Combine and fold Add dry ingredients to the wet mixture. Stir until just combined. Gently fold in blueberries and optional nuts.
Step 5: Bake Pour the batter into the loaf pan. Smooth the top and bake for 45–50 minutes, or until a toothpick comes out clean. Let cool before slicing.
Step 6: Make the yogurt topping Stir together Greek yogurt, honey/agave, vanilla bean paste, cinnamon, and salt. Optional: Add 1 tablespoon Vitauthority protein powder for a thicker, higher-protein spread. Chill until ready to use.