Chicken Souvlaki Bowls with Garlic Fries

Name: Chicken Souvlaki Bowls with Garlic Fries
Ingredients: 2 pounds boneless skinless chicken breasts, cut into bite-size chunks; 4 tablespoons extra virgin olive oil; 2 teaspoons smoked paprika; 2 tablespoons chopped fresh oregano; 1 small shallot, chopped; 2 cloves garlic, minced or grated; zest and juice of 1 lemon; 1 pinch crushed red pepper flakes; kosher salt and black pepper; 2 zucchini, sliced into 1/4 inch slices; 1/2 cup crumbled feta cheese; 6 fresh pitas or naan bread, warmed; 1 cup Tzatziki, store-bought or homemade; 1 cup cherry tomatoes, halved