Tunacado Sandwich

Ingredients

• 7 oz tuna ( canned, about 198 grams of drained weight)
• ⅓ cup mayonnaise
• 2 teaspoons Dijon mustard
• 1 tablespoon lemon zest (from 1 lemon)
• 1 tablespoon lemon juice
• 1 garlic (clove, diced)
• 1 tablespoon capers (drained )
• 2 anchovy filets
• 1 tablespoon dill (chopped fresh )
• ¼ teaspoon salt and pepper
• ¼ cup red onion (diced )
• ¼ cup pesto
• ¼ cup mayonnaise
• 1 teaspoon lemon juice
• 2 tablespoons Sriracha sauce
• 6 slices sourdough (or whole wheat flatbreads or thin focaccia, about 2.8 oz or 80 grams per serving)
• 1 large tomato (sliced)
• 1 large avocado (large ripe, sliced)
• jalapenos (pickled (optional))