1 Sauté the mushrooms and transfer to a big bowl. Continue to sauté the rest of the veggies and add to the mushrooms.2 In another bowl, beat the cream cheese with the eggs and half and half. Stir in the remaining ingredients.3 Pour into a sprayed 9X13 pan, or a 9” spring form. It can sit overnight at this point. Bake uncovered at 350 for 1 hour.