Blueberry Buttermilk Breakfast Cake
Ingredients
½ cup (1 stick) unsalted butter, softened
Zest of 1 lemon
½ cup of sugar
1 egg
2 cups flour
1 teaspoon salt
2 teaspoons baking powder
2 cups fresh or frozen blueberries
½ cup buttermilk
1 teaspoon…