I know all of my basic recipes by heart.
Pot roast and gravy
Macaroni and Cheese
Hamburger gravy
Sausage gravy
Roasted chicken
Swiss steak
there are many more but you get the picture. But as I like to try new things and recipes. There are many more that I have to have a recipe for.

There are a few I do from memory but very few....Macaroni and Cheese from scratch I could do with my eyes closed....lol...that was a favorite of my kids over the years.

I do quite a few from memory, but I write down a lot of my own recipes that I do not cook all the time, especially holiday foods.

The most fun I have with cooking is not using a book. I generally look at a recipe to get an idea of how it is done, not to follow it line by line. However, if it is something completely new to me, for example Crepes (which I have never made), I would probably follow a basic recipe the first time or two to get the technique down, then go on my own from there.

To me, cooking by the book is like doing a painting where all the shapes are made for you, and the colors are numbered within the shape (remember those things?).

If you don't take the training wheels off, you will never enjoy the complete experience of cooking, at least that is my opinion.

I remember the recipes by heart that I make most often.
Mama's Marinara, ricotta grocchi, salisbury steak, eggrolls, meatballs, roasted chicken, buttermilk fried chicken, garlic pasta and asian fried noodles are a few I can think of right off hand Oh yeah...cornbread and french bread.

If we're talking actual recipes, I would have to say none.

If we're talking dishes, then there's a long list of them. The point being that "recipe" connotes a precise list of ingredients, amounts, and directions.

I rarely cook that way at all. And when I'm just cooking I don't make any dish the same way twice becuase I'm following a known procedure, but not a recipe per se.