Instructions

  1. Cook squash in boiling water to cover in a large skillet 8 to 10 minutes or just until tender.
  2. Drain well; gently press between paper towels.
  3. Melt 4 tbsp butter in skillet over medium-high heat; add onion, and sauté 5 minutes or until tender.
  4. Remove skillet from heat; stir in squash, cheese, and next 4 ingredients.
  5. Spoon mixture into a greased 11x7-inch baking dish.
  6. Melt remaining 1 tbsp butter.
  7. Stir together melted butter and crushed crackers; sprinkle evenly over top of casserole.
  8. Bake at 350°F for 30 to 35 minutes or until set.