Quince Stew

Ingredients

• 1 large onion, chopped
• 3 garlic cloves, pressed
• 1/4 cup olive oil
• 2 pounds stew meat
• 2 teaspoons salt
• 1 teaspoon pepper
• 3 cups water
• 1 (6-ounce) can tomato paste
• 2 quinces, do not peel; just slice like an apple (make sure to remove the entire core)
• 1/4 cup lime or lemon juice or the juice of 3 limes
• 3/4 cup pitted prunes
• 2 potatoes, peeled and cut into medium dice