Ingredients:
– 4 tablespoons salted butter
– 4 large eggs (room temperature)
– 2/3 cup whole milk (room temperature)
– 2/3 cup all-purpose flour
– 1/2 teaspoon kosher salt
– 1 tablespoon vanilla extract
– 2-3 teaspoons lemon zest
– 2-3 tablespoons blueberry jam
– 1/4 cup fresh or frozen blueberries
Directions: