Funfetti Cake in a Jar + A Special Anniversary

Ingredients (13)

• 1 egg
• 1/4 cup white sugar
• 3 Tablespoons unsalted butter, melted
• 3 Tablespoons milk
• 1 teaspoon vanilla extract
• 1/2 cup all purpose flour
• 1 teaspoon baking powder
• Pinch salt
• 2 Tablespoons sprinkles
• 4 Tablespoons butter, room temperature
• 1/2 tsp. vanilla
• 2-3 teaspoons milk
• 1 cup powdered sugar