Retro Ground Beef Casserole with Biscuits Recipe

Ingredients

• 1 cooking spray
• 2 tablespoons canola oil
• 1 cup chopped carrots
• 1 cup chopped onions
• 1 cup chopped celery
• 1 pound ground beef
• 4 tablespoons butter
• 3 tablespoons all-purpose flour
• 1 cup milk
• 2 cups beef broth
• 1 1/2 teaspoons garlic salt
• 1 teaspoon onion powder
• 1 teaspoon garlic powder
• 1/4 teaspoon ground black pepper
• 3 cups baking mix
• 1 cup buttermilk