Directions

1. Heat oven to 400ºF.
2. Press pastry onto bottom and up side of 9-inch pie plate sprayed with cooking spray; trim edge.
3. Heat oil in large skillet on medium-high heat. Add mushrooms; cook 5 to 7 min. or until mushrooms are tender and liquid is cooked off, stirring occasionally. Remove from heat; stir in ham. Spoon into crust; top with cheese.
4. Whisk remaining ingredients until blended; pour over ingredients in crust.
5. Bake 30 min. or until knife inserted in center comes out clean. Let stand 10 min. before cutting to serve.
6. Serving Suggestion: 
Serve this quiche with fresh fruit to balance out the meal.
7. Substitute: 
Substitute a 9-inch square baking dish for the pie plate. To serve, cut quiche diagonally in half twice, then cut each triangle in half.