Easy Banh Mi Sandwiches {Vietnamese Meatball Sub}

Spicy Sauce:

• ⅔ ⅔ cup mayonnaise or plain Greek yogurt
• 1 1 tablespoon sriracha or sweet Thai chili sauce (see note)
• 1 1 green onion, white and green parts finely chopped white and green parts finely chopped

Relish:

• 2 2 large carrots, coarsely grated or cut into thin matchsticks (about 1/2 cup)
• 1 1 English cucumber, coarsely grated or cut into thin matchsticks (about 1/2 cup)
• 2 2 tablespoons sugar
• 2 2 tablespoons rice vinegar
• ½ ½ teaspoon coarse kosher salt
• 1 1 teaspoon sesame oil

Meatballs:

• 2 2 pounds ground pork, ground turkey or a combination
• ¼ ¼ cup chopped fresh basil or 2 teaspoons dried
• 4 4 garlic cloves, finely minced
• 2 2 green onions, finely chopped
• 1 1 tablespoon fish sauce (see note)
• 1 1 tablespoon sriracha or sweet Thai chili sauce
• 1 ½ 1 ½ tablespoons sugar
• 1 1 tablespoon cornstarch
• 1 1 teaspoon pepper
• ½ ½ teaspoon salt
• 1-2 1-2 teaspoons sesame or vegetable or coconut oil, for browning

Sandwiches:

• 4 to 6 4 to 6 6-inch baguettes or hoagie buns
• bunch of fresh Cilantro