Cobb Chopped Salad

Ingredients

• 1/4 cup extra-virgin olive oil
• 3 tablespoons red wine vinegar
• 1 shallot, minced
• Salt and pepper
• 8 ounces grape tomatoes, halved
• 1/2 English cucumber, cut into ½-inch pieces
• 2 romaine lettuce heart (12 ounces), cut into ½-inch pieces
• 4 large hard-cooked eggs, chopped
• 6 slices cooked bacon, crumbled
• 4 ounces blue cheese, crumbled (1 cup)
• 1 ripe avocado, cut into ½-inch pieces