tuna sliders

Ingredients For tuna sliders

• 1/4 c

  mayonnaise
• 1/4 c

  finely chopped celery
• 2 Tbsp

  minced shallots
• 4 tsp

  chopped fresh tarragon
• 2 tsp

  grated lemon peel
• 1/8 tsp

  black pepper
• 1

  (12-oz.) can water-packed tuna, well-drained
• 12

  small cocktail buns (3 inches), split
• 3

  boston lettuce leaves, each cut into 4 pieces
• 2

  small tomatoes, each cut into 6 slices