To make the pickled vegetables, toss together the carrots, daikon, vinegar, sugar and salt in a bowl and let stand at room temperature for at least 30 minutes. Drain well before using on sandwiches.
To make the sriracha aioli, whisk together mayonnaise, Greek yogurt, sriracha, lime juice, honey, and salt and pepper.
To make the meatballs, mix together all meatball ingredients in a large bowl. Form into 20 one-inch sized meatballs. Heat Mazola Corn Oil in a nonstick skillet over medium high heat. Cook until browned on all sides and cooked through.
To assemble the sandwiches, spread sriracha aioli on cut sides of rolls. Top with meatballs and pickled vegetables. Garnish with desired toppings before serving.