Total Time
1hr 5mins
Prep 20 mins
Cook 45 mins

For onion lovers! If desired you can sprinkle the top of the onions with breadcrumbs mixed with melted butter.

Ingredients Nutrition

Directions

  1. Set oven to 325 degrees.
  2. Butter a 1-1/2-quart baking dish.
  3. Place the sliced onions in the casserole dish.
  4. To make the cheese sauce, melt butter in a heavy saucepan over medium heat.
  5. Add in flour and whisk for 2 minutes.
  6. Gradually add in half and half cream; whisking constantly until thickened.
  7. Remove from heat and add in the Parmesan cheese and Velveeta cheese, stirring until melted.
  8. Season with cayenne pepper and seasoning salt.
  9. Pour the sauce over the onions in the baking dish.
  10. Bake uncovered for about 45 minutes.

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