Hubby can’t resist this recipe, and it always earns me extra points

CATTLE DRIVE CASSEROLE
6 15 MINUTES 30 MINUTES 45 MINUTES
1 ½ pounds ground beef
1 onion, minced
1 taco seasoning packet
½ cup sour cream
½ cup mayonnaise
½ cup shredded cheddar cheese, divided
½ cup shredded pepper jack cheese, divided
One 4-ounce can diced green chilies, drained
2 cups Bisquick
1 cup water
Preheat the oven to 350 F. Heat a nonstick skillet over medium-high heat, and add the beef and taco seasoning. Cook until browned on all sides, then add onion and green chilies.Cook until tender and slightly browned, about 5 minutes.
In a bowl, combine the sour cream, mayonnaise and half of each of the cheeses. Mix to combine and set aside.
In another bowl, combine the Bisquick and the water. Stir until a soft dough forms. Spread into a greased 9-by-13-inch casserole dish. Top with the beef mixture, spread the sour cream mixture over the Ro-tel, and finish by sprinkling the remaining cheese on top.
Bake 30 minutes, until bubbly and browned on top.