Sirloin Steak Fajita Grilled Cheese Sandwich

Name: Sirloin Steak Fajita Grilled Cheese Sandwich
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Cuisine: American
Ingredients: 16 OZSMeyer Natural Angus Top Sirloincut into 4 pieces; 2 TBSPSOlive oil; 2 TBSPSWorcestershire sauce; 1 Limejuiced; 2 ClovesGarliccrushed; 1 TSPGround cumin; 1 TSPCrushed red chili flakes adjust to taste; Salt to taste; 1 TSPBrown sugar; 1 Onionsliced; 1/2 Red bell pepperdeseeded and sliced; 1/2 Yellow bell pepperdeseeded and sliced; 1/2 Green bell pepperdeseeded and sliced; 8 SlicesDay-old sourdough bread; 1 Whole ripe avocadosliced; 8 SlicesMozzarella cheese; 1/4 CupSalsa; 1/2 CupGreek yogurt/sour cream; Fresh cilantro leaves