Substances:
- Nonstick cooking spray
- 1 cup all-goal flour
- 1 cup entire-wheat flour
- 1/2 teaspoon baking soda
- 1/2 teaspoon baking powder
- 1/2 teaspoon salt
- 1/2 teaspoon cinnamon
- 1/2 cup packed brown sugar
- 2 tablespoons butter, at room temperature
- 2 tablespoons vegetable oil
- 2 correctly-organized eggs
- 1 teaspoon vanilla extract
- 1 cup undeniable nonfat Greek yogurt
- 1 1/2 cups fresh blueberries (or frozen, thawed)
- For the streusel topping:
- 2 tablespoons unsalted butter
- 2 tablespoons vegetable or canola oil
- 3 tablespoons gentle brown sugar
- 1/2 teaspoon cinnamon
- 1/2 cup all-goal flour