If you like your chicken tikka masala with a kick of heat, this spicy version is for you. The marinade for the chicken is made with a combination of yogurt, lemon juice, and a blend of fiery spices like cayenne pepper, chili powder, and garam masala. The sauce is also spiced up with extra chili powder and red pepper flakes. The result is a fiery and flavorful dish that will satisfy any spice lover's cravings. Serve it with some cooling raita and naan bread to balance out the heat.