Chicken Fried Hamburger with White Gravy

Ingredients

• 1 1/2 lb lean ground beef
• 1 tsp salt
• 1/4 tsp pepper
• 2 1/4 cup all purpose flour
• 1/3 cup yellow or white cornmeal
• 1 tsp baking powder
• 2 tsp salt
• 1 tsp garlic powder
• 1 tsp onion powder
• 3/4 tsp ground black pepper
• 1/2 tsp cayenne pepper
• 2 cup buttermilk
• vegetable oil (for frying)
• 1/3 cup all purpose flour
• 2 1/2 cup whole milk
• 3/4 tsp onion powder
• 1/2 tsp salt
• 1/2 tsp ground black pepper