- Chop vegetables into 3/4 inch pieces. 
- Toss vegetables (including corn, but not black beans) with 3 Tbsp. olive oil and spread on a large rimmed baking pan. 
- Roast at 400°F for 12-15 minutes. 
- Remove from oven; reduce oven temperature to 350°F. 
- Add black beans to roasted vegetables. 
- Heat corn tortillas slightly to soften, then fill each tortilla with approximately 1/3 cup roasted vegetable mixture. 
- Roll tightly and place seam-side down in 9x13 inch pan. 
- Repeat until all the tortillas are filled. 
- Prepare the chile verde sauce by combining half & half, diced green chiles, cumin, salt, and garlic cloves. 
- Pour sauce evenly over enchiladas. 
- Top with shredded cheese and cover with aluminum foil. 
- Bake at 350 degrees for 30 minutes or until cheese is fully melted. 
- Top with fresh cilantro.