Egg Salad with Tarragon Ravigote - Delicious Living

Ingredients

• 5 hard-cooked eggs (divided)
• 1/4 cup minced red onion
• 1 tablespoon minced shallot
• 1 teaspoon Dijon mustard
• 1 teaspoon capers (rinsed and drained)
• 1 tablespoon chopped fresh tarragon
• 1 tablespoon champagne vinegar or white wine vinegar
• 1/4 cup cup olive oil
• 1 tablespoons fresh minced flat-leaf parsley
• 8 slices rustic bread
• 2 cups arugula leaves
• 1 tomato (thinly sliced)