Strawberry Rhubarb Bars: A Sweet and Tart Treat for Food Lovers - Let's Brighten Up

Ingredients

• 1 cup all-purpose flour
• 1/2 cup unsalted butter, room temperature
• 1/4 cup granulated sugar
• 1 teaspoon vanilla extract
• 1/2 teaspoon salt
• 2 cups diced rhubarb
• 2 cups diced strawberries
• 1/2 cup granulated sugar
• 2 tablespoons cornstarch
• 1 egg
• 1/2 teaspoon vanilla extract