Rotisserie chicken - (Skip if chicken was shredded ahead for Tuesday.) Take meat off the bone and shred. Use a knife and fork or your hands. (Can be done up to 5 days ahead)
Mint / Garlic / Onions / Bell peppers - Prep as directed. Store separately. (Can be done up to 5 days ahead)
Heat a skillet or saute pan over medium heat. Add cooking oil and then onions to heated oil. Saute for ~2 minutes.
Add bell peppers with cumin, paprika, and oregano. Saute for 4 to 6 minutes, until peppers are slightly softened.
Add chicken and saute for another 2 minutes, just to warm chicken up.
Add vinegar and saute for another 30 seconds and remove from heat. Season with some salt and pepper.
Spoon chicken and red peppers into lettuce leaves. Top with tomatoes and a squeeze of fresh lemon juice. Enjoy with cucumber and avocado salad on the side.