2 (8 ounce) packets frozen mixed vegetables and dairy mix
2 cups shredded Monterey Jack cheese, divided
2 (8 ounce) packages cream cheese, chilled
8 ounces Swiss cheese, cubed
1 1/4 cups shredded heavy cream
1/4 cup butter, melted
1 teaspoon dried minced onion
3 tablespoons dried basil, divided
1 teaspoon salt
1 teaspoon paprika
2 eggs
3 ounces shredded mozzarella cheese (optional)
1/2 teaspoon lemon zest