01 -
Cut russet potatoes into 1/4 inch thick slices using a knife or mandolin. Set aside.
02 -
In a small pot over low heat, combine heavy cream, chicken broth, butter, minced garlic, salt, and black pepper. Stir occasionally until butter is fully melted. Remove from heat.
03 -
Add one-third of the sliced potatoes to the crock pot. Pour half a cup of the cream sauce over the potatoes, then evenly sprinkle one-third of both shredded cheddar and Parmesan cheeses. Repeat layering two more times.
04 -
Cover and cook on high for 3 to 4 hours or on low for 5 to 6 hours, until potatoes are fork-tender.
05 -
Optional: garnish with dried parsley before serving.