Retro Ground Beef Casserole with Biscuits

Ingredients (16)

• + 1 cooking spray add to pantry
• + 2 tablespoons canola oil add to pantry
• + 1 cup chopped carrots add to pantry
• + 1 cup chopped onions add to pantry
• + 1 cup chopped celery add to pantry
• + 1 pound ground beef add to pantry
• ✓ 4 tablespoons butter
• + 3 tablespoons all-purpose flour add to pantry
• + 1 cup milk add to pantry
• + 2 cups beef broth add to pantry
• + 1 ½ teaspoons garlic salt add to pantry
• + 1 teaspoon onion powder add to pantry
• ✓ 1 teaspoon garlic powder
• + ¼ teaspoon ground black pepper add to pantry
• ✓ 1 cup buttermilk
• + 3 cups baking mix (such as Bisquick® Heart Smart Pancake and Baking Mix) add to pantry