Baked Chicken and Potatoes with Bechamel Sauce

Ingredients Chicken breast 1 Onion 1 Red Pepper 1 Green pepper 4 Tablespoons oil Half a teaspoon of black pepper 1 Teaspoon paprika 1 Teaspoon salt For --Bechamel Sauce Ingredients: 2 tablespoons flour 3 Cups milk 50g Butter 1 Teaspoon salt A Pinch black pepper For --Potatoes: 3 medium size potatoes Half a teaspoon of salt 1 Teaspoon thyme 1 Teaspoon pepper 2 Tablespoons olive oil