Low-fat recipes for lemon butter sauce include a recipe from Cooking Light that uses a reduction sauce combined with a little butter and another recipe that combines butter with lemon juice, garlic and dry white wine. Basic ingredients include lemon juice, butter and chicken stock.
Make lemon butter sauce by sauteing 3 tablespoons of minced shallots and 1 tablespoon of chopped fresh thyme in 1 tablespoon of canola oil for 1 minutes before adding 1/2 cup of dry white wine. Bring the mixture to a boil until it reduces, and then stir in 1 cup of chicken stock. Allow it to reduce again before turning the heat down and whisking in 2 tablespoons of unsalted butter. After removing the sauce from the stove, stir in 1 1/2 teaspoons of fresh lemon juice, 2 tablespoons of fresh flat-leaf parsley, 1/4 teaspoon of salt and 1/8 teaspoon of pepper. Serve it with chicken or vegetables.
To make a lemon-garlic butter sauce, whisk together 1 tablespoon of olive oil, 1 tablespoon of unsalted butter, up to 3 tablespoons of flour and 1 tablespoon of minced garlic. Once the mixture browns, stir in 1/3 cup of dry white wine and 1/3 cup of unsalted chicken broth, and bring everything to a boil until it thickens. Mix in 1 tablespoon of butter, 1 tablespoon of fresh lemon juice and 2 tablespoons of chopped fresh parsley, and serve.