10 Minute Gooey Vanilla Peach Mug Cake

Bahan-bahan (1 porsi)

• 1/2 of a peach, sliced thin or chopped
• 3 tablespoons brown sugar
• 2 tablespoons salted butter
• 1 egg
• 1 teaspoon vanilla extract
• 1/4 cup all-purpose flour
• 2 tablespoons old fashioned oats
• 1/4 teaspoon baking powder
• 1/4 teaspoon kosher salt
• 1 pinch cinnamon