Preheat oven to 350 degrees F.
In a medium bowl, combine the flour, baking soda, and salt.
Place granulated sugar and butter in a large bowl, beat with a mixer at medium speed until mixture is fluffy and well blended (about 1 minute).
Add mashed banana, eggs, yogurt, and vanilla; beat until blended. Add flour mixture; beat at low speed just until moist.
Place the blueberries in a bowl with 1 tablespoon of flour and toss to coat.
Gently fold blueberries into the batter.
Spoon batter into an 8 ½ x 4 ½-inch loaf pan coated with cooking spray.
Bake for 60-70 minutes or until a wooden pick inserted in center comes out clean.
Cool the bread 10 minutes in pan on a wire rack; remove the bread from pan and allow to completely cool.