Spaghetti and Spring Vegetables

Until fairly recently, I had been an absolute slave to the written recipe, i.e. it was a dealbreaker if the ingredient list called for shallots and all I had was an onion. If Everyday Food told me to serve the sausages with horseradish mustard and I only had grainy, then by God I went out and spent the $4.39 for the horseradish mustard. When I was 16 my…