Corn Chowder

In large pot, melt half the butter over medium heat.Add the flour,onions and carrots and  cook until onion is soft,stirring constantly. The flour will begin to brown a little, this is ok.
Add the frozen corn and cook for about 5 minutes, stirring comstantly.
Add milk, half and half, remaining butter and seasonings and cook about 15 minutes. The chowder will thicken as it cooks, if too thick for your taste, add a little more milk and adjust seasonings.