Prepare the Meat:

1. In a large bowl, season the sliced steak, chicken, or pork with salt, pepper, garlic powder, cumin, and chili powder.

2. Heat olive oil in a large skillet over medium-high heat.

3. Add the seasoned meat and cook until fully cooked and slightly charred (5-7 minutes). Remove from heat.

Prepare the Rolls:
4. Preheat a griddle or large skillet over medium heat.
5. Lightly toast the bolillo or telera rolls, cut side down, until golden brown and crispy.

Assemble the Tortas:
6. Spread warmed refried beans on the bottom half of each toasted roll.
7. Add a generous portion of the cooked meat.
8. Layer on sliced avocado, shredded lettuce, tomato slices, and pickled jalapeños.
9. Sprinkle with crumbled queso fresco or cotija cheese.

Add Condiments:
10. In a small bowl, mix Mexican crema (or sour cream) with mayonnaise.
11. Spread this mixture on the top half of each roll.

Serve:
12. Place the top half of the roll over the fillings.
13. Serve with lime wedges on the side.