Is Canned Clam Chowder Pre-Cooked? - Tasting Table
Briefly

"Our soups provide high-quality meals without the extra prep work or cooking time needed, so we can definitely get behind this extreme hot take - even if it means no kitchen. Our soups can be consumed cold."
"According to the U.S. Department of Agriculture's Food Safety and Inspection Service, any product that's sold in air-tight cans and considered shelf-stable must be 'heat-processed at 250 degrees Fahrenheit.'"
Read at Tasting Table
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