Strawberry Rhubarb Cobbler - Foodness Gracious

Ingredients

• 4 cups fresh rhubarb, diced about 5-6 stalks
• 3 cups strawberries, hulled and halved
• 1 cup sugar
• ¼ cup cornstarch
• 2 tsp vanilla
• 1 ⅓ cups all purpose flour
• 1 ½ tsp baking powder
• 4 tbsp cold butter, diced
• ⅓ cup heavy cream
• ⅓ cup plain yogurt
• 1 egg
• 2 tbsp. heavy cream
• extra sugar for sprinkling