Blueberry Teacake in a Jar | Food Stuff

Ingredients

• 1 tsp baking powder
• 1 cup frozen blueberries
• 1 large egg
• 3/4 cup all-purpose flour
• 1/4 tsp kosher salt
• 1/4 cup nonfat milk
• 1/2 cup sugar
• 1/4 cup unsalted butter, melted
• 1 tsp vanilla extract