Preheat oven to 375 degrees. In a large bowl, whip together eggs, cream, salt and pepper. Lightly spray a 10-inch deep dish pie plate with vegetable spray. In a small skillet or microwave oven, cook the bacon strips; crumble into egg mixture.
In a small skillet, heat butter and sauté mushrooms until tender; add to egg mixture. Mix in chives and provolone cheese. Pour mixture into pie plate and sprinkle Asiago cheese on top. Bake for 35 to 45 minutes or until tart is set and top is golden brown. Serves 4-6.