Pollo Asado con Aceitunas (Baked Chicken with Olives)

Try this delicious recipe from the Electric Kitchen!

• 2 tablespoons olive oil
• 2 (7-ounce) packages Portuguese sausage, sliced into small pieces
• 3 pounds boneless skinless chicken thighs, cut into pieces
• 1 (4-ounce) can mushroom pieces and stems, drained well
• 2 (8-ounce) cans tomato sauce
• 1 (6-ounce drained weight) can pitted olives, drained well
• 4 teaspoons dried sweet basil
• 2 teaspoons garlic powder
• 1 teaspoon salt
• 1/2 teaspoon black pepper