Preheat the oven to the specified temperature.
In a shallow bowl, whisk the egg.
Egg
In another shallow bowl, mix together the flour, salt, pepper, oregano, thyme, paprika, and garlic salt.
Flour, Salt, Pepper, Oregano, Thyme, Paprika, Garlic salt
Dip the chicken breasts in the egg, ensuring they're fully coated.
Chicken breasts, Egg
Coat the chicken breasts in the flour mixture, pressing gently to ensure the coating sticks.
Flour, Chicken breasts
In a large frying pan, heat the olive oil over medium heat.
Olive oil
Add the coated chicken breasts to the pan and cook until golden brown on both sides.
Chicken breasts
Transfer the partially cooked chicken breasts to a baking dish and finish cooking them in the preheated oven until they reach the desired internal temperature.
Chicken breasts
Meanwhile, using the same pan, sauté the onion and garlic until they become fragrant and slightly softened.
Garlic, Onion
Add the remaining ingredients for the sauce to the pan, such as sun-dried tomatoes, red bell pepper, tomato puree, white wine, chicken stock, and double cream.
Sun-dried tomatoes, Red bell pepper, Tomato puree, White wine, Chicken stock, Double cream
Simmer the sauce until it thickens slightly and the flavors meld together.
Add the cooked chicken breasts to the sauce and continue to cook for a couple more minutes, allowing the chicken to soak up the delicious flavors
Chicken breasts