← Salt, Fat, Acid, Heat☆ SaveSave as variationCook this →Basic Tomato SauceThe foundation. Whole peeled canned tomatoes simmered with onion, garlic, and butter — Marcella Hazan school, perfected.Samin Nosrat · 6 servings · 50 min · Added May 15, 2026italianvegetariansaucemake-aheadIngredients·1 28-oz can whole peeled tomatoes·1 medium yellow onion (halved)·3 tbsp unsalted butter·1 tsp kosher saltSteps01Pour 1 can tomatoes into a saucepan and crush by hand into rough pieces.02Add 1 onion halves, 3 tbsp butter, and 1 tsp salt.03Simmer uncovered over low heat for 45 minutes, stirring occasionally and crushing tomatoes further as they soften.04Remove and discard onion. Taste and adjust salt.Your notesSign in to add a private note only you can see.Community discussion (0)Sign in to join the discussion.No discussion yet. Start one.