Chipotle Portobello Oven Fajitas

Name: Chipotle Portobello Oven Fajitas
Prep time: 15 min
Cook time: 40 min
Total time: 55 min
Cuisine: American, Mexican, Latin American, TexMex
Ingredients: 1 Tbsp chili powder* ($0.30); 1/2 tsp chipotle powder ($0.05); 1/2 tsp onion powder ($0.05); 1 tsp cumin ($0.10); 1/2 tsp garlic powder ($0.05); 1 tsp sugar** ($0.02); 1/2 tsp salt ($0.02); 2 portobello mushroom caps ($2.64); 2 bell peppers (any color) ($2.94); 2 yellow onions ($0.69); 3 Tbsp olive oil ($0.48); 8 small (6 inch) flour tortillas ($1.16); 1 avocado ($1.49); Handful cilantro (optional) ($0.25); 1 fresh lime ($0.50)