Ham and Cheese Sub Sandwich

1 Loaf French Bread 1 lb Deli Sliced Ham
1 Cup Sliced Fresh Mushrooms 1/2 lb Deli Sliced Colby Jack Cheese
1/2 Thinly Sliced Red Onion Mayonnaise
1 Large Avocado Mustard
1 Head Romaine Lettuce, chopped Salt and Pepper

Cut bread in half horizontally. Hollow out top and bottom halves. Build a sandwich with remaining ingredients. Slice for individual servings.