Melt butter in a saucepan over medium heat and cook onion until softened.
Add corn, garlic, potatoes, and seasonings, and cook for 1 minute. Stir in flour and cook for 2 minutes, stirring constantly.
Slowly whisk in chicken broth and cream and bring to a boil.
Once boiling turn down to a simmer and let cook for 10 to 15 minutes or until potatoes are soft.
Serve with bacon bits and green onions.
Notes
Made soup ahead and kept in the refrigerator until ready to reheat.For a thicker chowder, puree 1 cup of soup and add back to the pot.Add chicken broth or heavy cream to thin out the chowder.Refrigerate chowder for about 4 days. Freeze chowder in zippered bags for up to 4 weeks.Thaw chowder in the refrigerator and reheat on the stovetop over low heat until heated through.