Even better than not divulging a 'secret' recipe is when they give you the recipe but leave out key ingredients....
My late MIL gave me a recipe for soft sugar cookies I wanted to make because Mr. Amazing grew up eating them and really liked them. I made them exactly according to her recipe and when they baked they spread out and over the sides of my cookie sheet. Somehow, she had omitted half the flour in the original recipe.
I mentioned my failure to his sweet grandmother and, turns out, the original recipe was HER'S that she had given to her daughter-in-law....and she had given the proper amounts. So Grandma let me copy the recipe and my problem was solved.
My late MIL gave me a recipe for soft sugar cookies I wanted to make because Mr. Amazing grew up eating them and really liked them. I made them exactly according to her recipe and when they baked they spread out and over the sides of my cookie sheet. Somehow, she had omitted half the flour in the original recipe.
I mentioned my failure to his sweet grandmother and, turns out, the original recipe was HER'S that she had given to her daughter-in-law....and she had given the proper amounts. So Grandma let me copy the recipe and my problem was solved.