2 c. blueberries, frozen, unthawed
4 c. all-purpose flour, divided
1/2 c. boiling water
4 tbsp. butter
1 c. orange juice
2 eggs, slightly beaten
2 c. granulated sugar
2 tsp. baking powder
1/2 tsp. baking soda
1/2 tsp. salt

TOPPING:

4 tbsp. granulated sugar
4 tbsp. all-purpose flour
2 tsp. ground cinnamon
4 tbsp. butter, chilled

Grease two 9 x 5 inch loaf pans. Sprinkle blueberries with 2 tablespoons flour; toss gently; set aside. Place boiling water in large bowl. Add butter; stir until melted. Add orange juice, eggs, and sugar. Mix well. Stir in remaining flour, baking powder, baking soda, and salt. Fold in blueberries. Pour into prepared loaf pans. Combine sugar, flour, and cinnamon. Cut in butter until mixture is crumbly. Sprinkle over batter in loaf pans. Bake at 325 degrees for 1 hour or until toothpick inserted in center comes out clean. (Usually needs to cook longer than 1 hour). Cool. Remove from pans.