Citrus Chicken With Carrots and Baby Potatoes (Pollo con Limón y Naranja, Zanahorias y Papitas)
1 pound roma tomatoes ¼ cup vegetable oil 4 pounds chicken pieces, such as thighs, breasts, drumsticks, patted dry 1 teaspoon kosher or coarse sea salt, or to taste ¼ teaspoon freshly ground black pepper, or to taste 2 cups chopped white onion 4 garlic cloves, pressed or finely chopped 1 teaspoon dried oregano ½…