Cook garlic, onions, and celery in a skillet until tender, spoon into crock pot

Brown hamburger and add to crock pot

Combine flour and ½ cup chicken broth in a cup, stir until lump free

Pour into skillet with remaining 2 ½ cups broth, bring to a simmer, scrape browned bits off of the bottom of the skillet with wooden spoon.

Carefully pour mixture into the crock pot

Stir in evaporated milk, cheese, paprika, salt and pepper

Cover and cook on low for 2 hours

Top with crumbled tortilla chips