Avocado & Shrimp Cocktail in a Jar

Ingredients

• 1 pound Peeled And Deveined Pre-cooked Medium-sized Shrimp
• 1 pint Cherry Or Grape Tomatoes, Halved
• 2 stalks Celery, Chopped
• 1  Red Bell Pepper, Stem And Seeds Removed, Chopped
• 1  Avocado, Peeled, Pitted, Diced
• 1 Tablespoon Capers
• 2 Tablespoons Basil, Chiffonade Cut
• 3 Tablespoons Lemon Juice
• 1 Tablespoon Horseradish
• 1-½ Tablespoon Catsup
• 1 Tablespoon Worcestershire Sauce
• 3 Tablespoons Tomato Juice
• 1 teaspoon Dried Oregano
• Salt And Pepper, to taste
• 2 Tablespoons Olive Oil
• 1 cup Baby Romain Lettuce, Very Thinly Sliced
• 6  Croutons, For Garnish (optional)
• 6  8-ounce Size Mason Jars With Lids And Rings