Jalapenos' Spinach Enchiladas

INGREDIENTS

• 4 (10 ounce) packages frozen chopped spinach or 4 bunches fresh spinach, cooked
• 2 tablespoons chopped garlic
• 1 large onion, chopped
• 1 lb fresh mushrooms, halved
• 1 tablespoon butter
• 2 slices white bread, crusts removed
• salt
• 2 teaspoons white pepper
• 1/4 teaspoon nutmeg
• 1/2 teaspoon chili powder
• 2 eggs
• 2 cups grated monterey jack and cheddar cheese blend, divided
• 10 -12 flour tortillas
• 3 cups half-and-half
• 1/4 teaspoon cayenne pepper
• 1 1/2 teaspoons salt
• 1 tablespoon cornstarch, plus
• 2 teaspoons cornstarch, dissolved in a small amount of cold water
• 3 cups chopped cilantro