PORTOBELLO PIZZETTAS
1/2 of a 10-ounce package frozen chopped spinach
1-1/2 cups shredded mozzarella cheese (6 ounces)
1/2 cup coarsely chopped turkey pepperoni or pepperoni
1 teaspoon dried basil, crushed
1/4 teaspoon coarsely ground pepper
12 portobello mushrooms (3 to 4 inches in diameter)
2...