Healthy Rhubarb Cake in a Mug

Ingredients

• 1 egg
• 2 tablespoons all-purpose flour
• 2 teaspoons white sugar
• 1 1/2 teaspoons milk
• 1 teaspoon chopped rhubarb
• 1/3 teaspoon ground cinnamon

Directions

Mix egg, flour, sugar, milk, rhubarb, and cinnamon together in a large microwave-safe mug.

Cook on high until cake rises above the top of the mug, about 3 minutes. Let cool for 1 minute before serving.