Grilled Steak Sandwich With Blackened Onions

• 4 plum tomatoes, halved lengthwise
• 3 tablespoons olive oil
• kosher salt and pepper
• 1 lb london broil beef, sirloin or 1 strip steak
• 2 medium onions, sliced into 1/2-in .-thick rounds
• 2 tablespoons cajun seasoning
• 4 pieces focaccia bread or 4 pieces French bread, halved
• 4 pieces green leaf lettuce

1. Heat grill to medium-high.
2. In a medium bowl, toss the tomatoes with 1 tbsp of the oil and 1/4 tsp each of salt and pepper.
3. Season the steak with 1/2 tsp salt and 1/4 atsp pepper and grill to desired doneness, 4 to 5 minutes per side for medium-rare.
4. Let rest at least 5 minutes before slicing.
5. Brush both sides of the onion slices with the remaining 2 tbsp oil and sprinkle with the blackening spice mix.
6. Grill until blackened and tender, 5 to 6 minutes per side.
7. Grill the tomatoes just until charred, 3 to 5 minutes per side.
8. Form sandwiches with the bread, lettuce, steak, onions, and tomatoes.

tomatoes, olive oil, kosher salt, beef, onions, cajun seasoning, bread, green leaf lettuce

Taken from www.food.com/recipe/grilled-steak-sandwich-with-blackened-onions-460569 (may not work)