One-Pot Stroganoff

The best throwbacks to the 1960s family cooking, Mark writes — like the Americanized version of this iconic Russian beef-and-sour-cream stew — should remain simple and hearty. I swapped dill for parsley and used perhaps too much sour cream.

Makes: 4 servings
Time: 40 minutes

Ingredients

• 3 tablespoons unsalted butter

• 1 pound ground beef

• 1 onion, chopped

• Salt an…