Citrus Flank Steak Taco Bar

Ingredients

• 2 pounds Flank Steak
• 3 bell peppers, assorted colors, thinly sliced
• 2 large onions, thinly sliced
• 1 tablespoon freshly ground black pepper
• 2 tablespoons vegetable oil, for grilling
• 12 to 16 flour or corn tortillas (6-inch diameter)
• 1/2 cup orange juice
• 1/4 cup lime juice
• 1/4 cup lemon juice
• 1/4 cup olive oil
• 3 cloves garlic, minced
• 1 tablespoon chili powder
• 1 teaspoon cumin
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 12 lime wedges
• 1/2 cup chopped tomatoes
• 1/2 cup chopped lettuce
• 1/2 cup shredded cheddar cheese
• 1/2 cup sour cream
• 1/2 cup guacamole or chopped avocado
• 1/2 cup salsa or hot sauce
• 1/4 cup fresh cilantro, chopped