"Different" Green Bean Casserole

This recipe does not use condensed soup! Delicious!

2 TBSP butter 
2 TBSP flour
1 tsp salt
1 tsp sugar
1/4 cup onion, diced
1 cup sour cream
3 cans green beans, drained (calls for French Style)
2 cups shredded cheddar cheese
1/2 cup Ritz crackers, crumbled
1 TBSP melted butter

Preheat oven to 350º.  Melt 2 TBSP butter in large skillet. Stir in flour until smooth and cook for 1 minute.  Stir in salt, sugar, onion and sour cream.  Add green beans and stir to coat.

Transfer to casserole dish. Spread cheddar cheese over top.  In a small bowl, toss cracker crumbs and 1 TBSP melted butter and sprinkle over the top of the beans.

Bake 30 minutes or until the top is golden and the cheese is bubbly.