Sweet Onion, Rosemary, and Cheese Slather

Total Time
Prep 15 mins
Cook 45 mins

Beatrice Ojakangas, The Best Casserole Book Ever

Ingredients Nutrition


  1. Preheat the oven to 350°; coat a shallow 1 1/2 quart casserole with cooking spray.
  2. In a large nonstick skillet over med-high heat, melt the butter and saute the onions and garlic until tender, 20-25 minutes.
  3. Remove from the heat; add in Swiss cheese, mayonnaise, rosemary, and Tabasco sauce.
  4. Transfer to the casserole dish; bake, uncovered, for 20 minutes, until lightly browned.
  5. Sprinkle with Parmesan cheese and serve with crackers.