Funeral Potatoes

INGREDIENTS

6 tbsp

butter, divided

3/4 cup

onion, diced

2 cloves

garlic, minced

bag of frozen, shredded has brown potatoes, thawed -or- 12 small potatoes parboiled and shredded

1 10.5 ounce can

condensed cream of chicken soup

1 cup

sour cream, or plain greek yogurt

1/4 cup

grated parmesan cheese

1 tsp

salt

1/2 tsp

ground pepper

2 cups

sharp cheddar cheese, shredded and firmly packed, divided

1 1/2 cups

crushed cornflake cereal or panko bread crumbs