Slow Cooker Taco Lasagna

hamburger

 Tablespoons taco seasoning, divided

salsa

cream cheese, softened

black beans, drained and rinsed

red enchilada sauce

shredded cheddar or monterey jack cheese (I like to do a mix)

large flour tortillas

Optional toppings: sour cream, tomatoes, cilantro, green onions, olives