Dec 29, 2015 · Incredibly delicious stuffed mushrooms, made with a flavorful mixture of crispy bacon, spinach and Italian cheese mix.. Stuffed Mushrooms. I hope everyone’s holidays have been nice and you’re ready to greet the New Year! We’re getting ready for the New Year here and I’m preparing some appetizers to share with you and to decide what I will serve on New Year’s Eve. Place spinach in a large salad bowl; set aside. In a small nonstick skillet, cook bacon over medium heat until crisp. Using a slotted spoon, remove to paper towels to drain. In the drippings, saute onion until tender. Stir in the brown sugar, vinegar, salt, mustard, celery seed and pepper. Combine cornstarch and water until smooth; stir into ...