Rioja-Style Chicken is a Spanish-inspired dish that features tender chicken thighs cooked in a rich and flavorful tomato sauce. The chicken is seasoned with paprika, cumin, and oregano, then seared until golden brown. The tomato sauce is made with onions, garlic, bell peppers, and a splash of red wine for a deep and robust flavor. Serve this Rioja-Style Chicken with crusty bread or rice for a satisfying and comforting meal.