GREEN BEAN CASSEROLE - Alabama Farmers Federation

Ingredients

• 4 teaspoons butter, divided (plus more for casserole dish)
• 2 teaspoons flour
• 1 teaspoon salt
• 1/4 teaspoon pepper
• 1 teaspoon sugar
• 1 teaspoon grated onion
• 1 pint sour cream
• 1/2 pound Swiss cheese, grated
• 2 (16-ounce) cans whole green beans, drained
• 1 sleeve saltine crackers, crumbled