Shredded Beef

Ingredients

• 3 to 4 lb. chuck roast
• 2 Tbsp. vegetable oil
• 1 tsp. cumin
• 1/2 tsp. garlic powder
• 2 medium onions, slivered
• 1 Tbsp. vegetable oil
• 1 (15 oz.) can tomatoes, drained and chopped
• 2 (4 oz.) cans green chilies, chopped
• 1 tsp. cumin or more to taste
• 2 tsp. leaf oregano
• 2 tsp. salt
• 1/2 tsp. pepper