Step 1

In a large skillet, heat butter over medium heat. Add celery and onion and stir until translucent and soft, about 3 minutes.

Step 2

Add garlic and flour, whisking to combine. Continue to whisk as you pour in the evaporated milk and whisk until fully combined. Season with salt and pepper to taste.

Step 3

Cook the sauce until thickened, about 2-3 minutes.

Step 4

Pour sauce into slow cooker and add chicken broth and broccoli. Stir to combine. Cook on high for 3 hours or on low for 6 hours.

Step 5

Turn off heat and stir in cream. Stir in all the cheese (in batches) stirring to melt and combine.

Step 6

Serve hot garnished with sour cream, cilantro, and more cheese if desired.

Step 7

Enjoy!