Impossibly Easy Cheeseburger Pie

Ingredients

• 1 lb lean ground beef
• 1 large onion, chopped (1 cup)
• ½ teaspoon salt
• 1 cup shredded Cheddar cheese (4 oz)
• ½ cup Original Bisquick® mix
• 1 cup milk
• 2 eggs
• Fresh tomatoes, sliced (optional)

Instructions

1. Heat oven to 400°F. Spray 9-inch glass pie plate with cooking spray.
2. In a 10-inch skillet, cook beef and onion over medium heat 8 to 10 minutes, stirring occasionally, until beef is brown; drain. Stir in salt. Spread in pie plate. Sprinkle with cheese.
3. In a small bowl, stir remaining ingredients with fork or wire whisk until blended. Pour into pie plate.
4. Bake about 25 minutes or until knife inserted in center comes out clean.