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| cooking spray |
| granulated sugar: 2 Tbl |
| all-purpose flour (unsifted): 3 cups |
| baking powder: 1 1/2 tsp |
| baking soda: 1/2 tsp |
| salt: 1/4 tsp |
| granulated sugar: 1 3/4 cups |
| salted butter: 1/4 cup (softened) |
| lemon zest: 1 Tbl |
| eggs: 4 (large) |
| vanilla extract: 1/2 tsp |
| sour cream: 1 16oz container |
| blueberries: 2 cups (fresh) |
| powdered sugar (unsifted): 1 cup |
| lemon juice: 3 Tbl (fresh) |
Credit: Food.com