Ingredients

• 2 cups sifted all-purpose flour
• 1 teaspoon baking soda
• 1 teaspoon baking powder
• 0.5 cups unsalted butter
• 0.5 cups brown sugar
• 1 cup sour cream
• 1 egg
• 1 teaspoon vanilla extract
• 2 cups chopped rhubarb
• 0.5 cups white sugar
• 0.5 teaspoons ground cinnamon

Instructions

1. 1 Preheat the oven to 350 degrees F (175 degrees C). Grease a 9x13-inch baking dish.
2. 2 Whisk flour, baking soda, and baking powder in a bowl. Beat butter and brown sugar with an electric mixer in a separate large bowl until smooth; stir in sour cream, egg, and vanilla extract, mixing well. Stir flour mixture into sour cream mixture just until incorporated; pour batter into the prepared baking dish.
3. 3 Spread rhubarb over batter. Combine white sugar and cinnamon in a small bowl; sprinkle cinnamon-sugar over rhubarb.
4. 4 Bake in the preheated oven until a toothpick inserted into the center comes out clean, 35 to 45 minutes.

Nutrition per serving