Step 1

Cook the vegetables according to the package directions; set aside. Melt 2 Tablespoons of the butter in a large skillet. Add the onions and cook until soft, about 5-7 minutes.

Step 2

Preheat oven to 350 degrees F. Melt 4 Tablespoons of the butter in the microwave. Toss with the potatoes in a large mixing bowl. Stir in the cooked onions, cream of chicken soup, shredded cheese, sour cream, salt, pepper and steamed vegetables. Spread evenly into a lightly greased 9x13-inch pan.

Step 3

Place the crushed Ritz crackers in a medium bowl. Melt the remaining 2 Tablespoons of butter in the microwave then toss with the crackers. Spread evenly over the potatoes. Bake for 45 minutes to 1 hour, until cooked through and bubbly. Remove from oven and let stand for 5-10 minutes before serving. Serve warm.