1 cup shredded Cheddar cheese (about 4 ounces) (divided)
4 cups 1/8-inch slices potatoes
1/2 cup chopped green onions
½ teaspoon paprika
Directions:
Microwave margarine, flour, salt and pepper uncovered in 2½-quart microwave safe casserole dish on high 1 minute; stir until smooth.
Microwave until bubbly, about 1 minute.
Stir in milk. Cover loosely with parchment paper and microwave until thickened, 5 minutes, stirring every minute.
Stir in 3/4 cup of the cheese.
Place potatoes and onions in casserole, spooning cheese sauce over potatoes. Cover and microwave on medium-high (70%) until potatoes are tender, 18-20 minutes, turning the casserole one quarter turn every 6 minutes.