1-1/2 cups plus 1 Tbsp. flour, divided
2 tsp. baking powder
1/2 tsp. salt
1 cup sugar
1 cup sour cream
1/2 cup oil
1 tsp. lemon zest
1/2 tsp. vanilla
1 cup blueberries
Heat oven to 350°F
Combine 1-1/2 cups flour, baking powder and salt in large bowl.
Whisk eggs, sugar, sour cream, oil, lemon zest and vanilla until blended. Add to flour mixture; stir just until blended.
Toss blueberries with remaining flour; stir gently into batter.
Pour into greased and floured 9×5-inch loaf pan.
Bake 1 hour to 1 hour 5 min. or until toothpick inserted in center comes out clean. Cool 10 min. Remove bread from pan to wire rack; cool completely.