marinated beef

Ingredients For marinated beef

• 1 lb

  boneless beef sirloin steak, cut into 1" cubes
• 4 sm

  onions, parboiled
• 1/2

  yellow bell pepper cut into 4 pieces
• 1/2

  red bell pepper cut into 4 pieces
• 1/2

  green bell pepper cut into 4 pieces
• 1/4 tsp

  red pepper, crushed
• 1/4 tsp

  garlic powder
• 1/4 tsp

  ground cumin
• 2 Tbsp

  vegetable oil
• 2 Tbsp

  red wine vinegar
• 2 Tbsp

  grated onion
• 2 Tbsp

  lemon juice
• salt and pepper to taste