Stuffed Falafel Balls

Name: Stuffed Falafel Balls
Ingredients: 2 cups falafel mix (about 10 ounces); 1/3 cup finely crumbled feta cheese (about 2 ounces); 1/3 cup finely chopped roasted red peppers (about 3 ounces); 1/4 cup parsley leaves, finely chopped; 2 tablespoons grated Parmesan; 2 teaspoons extra-virgin olive oil; 2 teaspoons red wine vinegar; 1 teaspoon dried mint (rubbed between your fingers); 1/4 cup tahini; Juice of half a lemon; Kosher salt; Vegetable oil, for frying; Cucumber slices and lemon wedges, for serving