01 -
Preheat oven to 500°F and position the rack near the broiler.
02 -
Combine Roma tomatoes, diced onion, garlic, olive oil, jalapeño, salt, oregano, cumin, tomato bouillon, tomato paste, and broth in a blender until smooth. Transfer to a saucepan and simmer over medium heat for 10 minutes.
03 -
Arrange halved poblano peppers and sliced onions skin-side up on a parchment-lined baking sheet. Broil for approximately 5 minutes until skins are blackened and blistered.
04 -
Transfer broiled peppers to a sealed plastic bag and allow to steam for 5 to 10 minutes. Remove skins from the peppers, then slice into strips. Roughly chop the softened onions.
05 -
Reduce oven temperature to 400°F and adjust rack to the center position.
06 -
In a bowl, combine cream cheese, shredded chicken, and chopped onions until well incorporated.
07 -
Warm tortillas. Spoon the chicken mixture and several poblano strips into each tortilla, roll tightly, and arrange seam-side down in a casserole dish.
08 -
Evenly pour the prepared sauce over the filled tortillas and sprinkle with shredded Mexican cheese blend.
09 -
Bake in the preheated oven for 15 to 20 minutes, or until cheese is melted and bubbling.
10 -
Top with chopped cilantro, sliced avocado, and dollops of crema or sour cream before serving.