brazilian black bean and beef casserole

Ingredients For brazilian black bean and beef casserole

• 1 stalk

  celery, chopped finely
• 2

  carrots, chopped finely
• 2

  onions, chopped finely
• 3 clove

  garlic, minced
• 1

  bell pepper, small, chopped finely
• 1/2 tsp

  orange zest, grated
• 14 1/2 oz

  unsalted stewed tomatoes (1 can)
• 1 lb

  lean stew beef, cut into 1/2" cubes
• 4 c

  cooked black beans (or 2 cans, drained & rinsed)
• salt & pepper to taste
• 2 Tbsp

  vegetable oil