Summer Soffrito (Marinera) sauce: large quantity

June 2026

From The Fine Art of Italian Cooking, pages 70-71 to make one meal for 6 people.

  • 2.5 lbs fresh tomatoes
  • 1 medium-sized red onion
  • 1 large carrot
  • 1 celery rib
  • 1 small clove of garlic
  • 2-3 leaves of basil

Upscale this recipe to make 1 gallon of sauce. From The Fine Art of Italian Cooking, pages 70-71 to make one meal for 6 people. Provide the weights of each ingredient.
2.5 lbs fresh tomatoes
1 medium-sized red onion
1 large carrot
1 celery rib
1 small clove of garlic
2-3 leaves of basil

Assuming the goal is approximately 1 gallon (3.8 L) of finished sauce, a practical scaling method is to scale the original recipe by total ingredient weight.

Original Recipe (estimated weights)

IngredientOriginal Weight
Fresh tomatoes2.5 lb (1,134 g)
Medium red onion3.9 oz (110 g)
Large carrot3.2 oz (90 g)
Celery rib1.4 oz (40 g)
Small garlic clove0.1 oz (3 g)
Basil leaves (2–3)0.07 oz (2 g)

Total ? 1,379 g (3.04 lb)

A gallon of tomato sauce weighs roughly 3,875–3,900 g (8.5–8.6 lb), requiring a scale factor of about 2.8×.

Ingredients for 1 Gallon of Sauce

IngredientWeight
Fresh tomatoes3,190 g (7.03 lb)
Red onion310 g (10.9 oz)
Carrot255 g (9.0 oz)
Celery115 g (4.1 oz)
Garlic8 g (0.28 oz)
Fresh basil6 g (0.21 oz)

Rounded Kitchen Quantities

  • 7.0 lb (3.2 kg) fresh tomatoes
  • 11 oz (310 g) red onion
  • 9 oz (255 g) carrot
  • 4 oz (115 g) celery
  • 8 g garlic
  • 6 g basil leaves

Because tomatoes vary considerably in water content and the amount of reduction during cooking, you may need to simmer slightly longer or shorter to finish at exactly one gallon. The ingredient ratios above preserve the proportions of the original recipe.