In a large saucepan, saute tomatoes and onion in reserved oil until onion is tender. Stir in the water, stock, vinegar, sugar, basil, salt and pepper. Mother Earth Products Dried Tomato Dices, Quart Jar, 9 Ounce 4.7 out of 5 stars 367. Dry vs oil packed sun dried tomatoes. How many sun dried tomatoes in a cup? Traina Home Grown California Sun Dried Tomato Halves - Non GMO, Gluten Free, Kosher Certified, Value Size (5 lbs) 3.9 out of 5 stars 63. The exact amount will vary depending on how much you dry them and how watery they were to begin with. Then, spread out the tomatoes on a baking tray, and put them in the oven at 150 degrees Fahrenheit for 6 to 12 hours. $44.99. Reduce heat; cover and simmer for 30 minutes. Oil packed tomatoes cost more than the dry variety due to the extra cost of oil. Drain tomatoes, reserving 1 tablespoon of the oil. Only 16 left in stock - order soon. Add garlic; cook 1 minute longer. Serving size: 4 large pieces (4 halves), or about 2 tablespoons, or 1/6 of entire recipe Entire recipe makes about 3/4 cup of homemade sun-dried tomatoes. Recipe Notes. Bring to a boil. Article Summary X. To make sun dried tomatoes, start by cutting your tomatoes on a board, and coating them with a herb seasoning, like basil. Finely chop tomatoes. In the sun.Using the sun is the classic way to dry tomatoes like … There are roughly 25-35 sundried tomatoes in one cup; a precise number is difficult to provide as the size of the tomatoes will vary. $12.64. Roma tomatoes, San Marzano, or smaller grape tomatoes or cherry tomatoes can be used to make sun-dried tomatoes.Without their moisture, their flavor is amplified, boosting the taste of a dish.