Alfredo without cream

1 1/2 tablespoons butter 1 1/2 tablespoons flour 1 cup fat-free half-and-half 3 tablespoons parmesan cheese 1/2 teaspoon minced garlic clove 1 dash pepper 6[...]

1 1/2 tablespoons butter 1 1/2 tablespoons flour 1 cup fat-free half-and-half 3 tablespoons parmesan cheese 1/2 teaspoon minced garlic clove 1 dash pepper 6[...]

1 (10 ounce) box frozen spinach 1 cup fresh blue crab meat 1 (8 1/2 ounce) can artichoke hearts 1 (12 ounce) package cream cheese 1 tablespoon garlic powder[...]