Add spinach and bell pepper; cook about 5 minutes, stirring occasionally, until spinach is wilted and bell pepper is crisp-tender.
In small bowl, beat remaining ingredients except cheese with whisk until smooth.
Pour over vegetables in skillet; stir to mix.
Pour into pie plate.
Bake uncovered about 30 minutes or until center is set.
Sprinkle with cheese.
Serve immediately.
Notes / Tips / Wine Advice:
This pie is somewhere between a spinach soufflé and crustless quiche. It makes a good main dish for casual entertaining. Serve it with your favorite pasta sauce or cheese sauce and add a salad of fresh orange and red onion slices sprinkled with toasted almonds.