Preheat oven to 350 degrees F.
In a large bowl, whisk together half and half and eggs.
Add salt, nutmeg, pepper, flour, and cheddar and havarti cheeses. Mix well.
Pour into piecrust. Sprinkle mozzarella cheese on top.
Bake at 350 degrees for 1 hour or until firm in center when pressed lightly with finger.
Recipe Courtesy of QUICK & KOSHER Recipes From The Bride Who Knew Nothing by Jamie Geller (Feldheim 2007) - BUY NOW