Cranberry Chutney

Name: Cranberry Chutney
Ingredients: 1-2 tablespoons vegetable oil; 1 1/2 tablespoons dark brown mustard seeds; 1 large onion, chopped; 8-10 cloves garlic, minced; 1/2 cup minced ginger; salt and pepper to taste; 1/2 cup cider vinegar, plus more to taste; 36 ounces fresh cranberries; 2 sweet, crisp apples, peeled and chopped (such as Fuji); 1 Granny Smith apple, peeled and chopped; 2 ripe pears, peeled and chopped; 2 cups golden raisins; 1 tablespoon lemon zest; 1 juice of 1 lemon, plus more to taste; dried chile pepper flakes, to taste; 1 cup dark brown sugar, plus more to taste; 1/2 cup orange juice, plus more to taste