Cauliflower Antipasto Salad

Ingredients

• 1 medium head cauliflower, cut into bite-sized pieces
• 0.5 cup mayonnaise
• 2 tablespoons extra-virgin olive oil
• 1 tablespoon good-quality balsamic vinegar
• 1 teaspoon lemon juice
• 0.5 teaspoon Dijon mustard
• 1 clove garlic, minced
• 1 pinch salt and ground black pepper to taste
• 1 (14 ounce) can artichoke hearts in water, drained
• 1 cup cherry or grape tomatoes, halved
• 0.33333334326744 cup sliced black olives
• 0.33333334326744 cup sliced green olives
• 1 green bell pepper, cut into 1/2-inch pieces
• 2 ounces Genoa salami, cut into bite-sized pieces
• 2 ounces Asiago cheese, diced
• 3 ounces prosciutto, slices rolled and cut in half
• 1 tablespoon chopped fresh basil, or to taste