Some sad news for snack lovers: A salmonella outbreak is affecting many tasty treats.

The outbreak is linked to powdered milk and buttermilk supplied by California Dairies — an ingredient used to flavor some snacks, such as seasoning for potato chips and cheese breads made by a frozen pizza company and sold at Costco, Walmart and Target, among other retailers. According to the Food and Drug Administration, the dairy ingredients were voluntarily recalled on April 20 due to possible contamination.

More than a dozen products have already been affected, though additional recalls could still be announced. Walmart is among the companies to have issued a product recall, for its Blackstone Parmesan Ranch seasoning.

Here are the snack foods that have been recalled so far, according to the FDA website:

Angel Specialty Products, Royal Gold, Boba Time, Fanale, Denda — recalled May 22

Malazi Tahina, 1kg bottle — recalled May 18

Blackstone Parmesan Ranch Seasoning — recalled May 15

Kroger Homestyle Cheese Garlic Croutons — recalled May 15

Williams Sonoma Fireworks Popcorn, White Cheddar Seasoning — recalled May 8

Stoltzfus Family Dairy, Sour Cream and Onion Cheese Curds — recalled May 7

Wildlife Seasoning, Flavored Popcorn Seasoning — recalled May 7

Giant Eagle, Ita Chips with Parmesan, Garlic and Herbs — recalled May 7

Fisher, Southern Style Nuts, Squirrel Brand and Good & Gather, Snack Mixes — recalled May 6

Pork King Good, pork rinds and seasoning bottles — recalled May 5

Zapp’s/Dirty Potato Chips — recalled May 4

Ghirardelli, Powdered Beverage Mix — recalled April 28

A public health alert was issued by the Department of Agriculture’s Food Safety and Inspection Service on April 30, and then expanded on May 1, for the following products:

Mama Cozzi’s Biscuit Crust Breakfast Pizzas, Sausage & Cheese Breakfast Pizza (18.5 oz) and Pork Belly Crumbles/Bacon/Pepper & Onion Breakfast Pizza (17.15 oz)

Great Value Chicken Bacon Ranch pizzas, 17.55 oz Thin Crust and 23.1 oz Stuffed Crust

Frozen Five Cheese Bread packs made by Motor City Pizza Co. were also voluntarily recalled by the brand’s parent company, Champion Foods, on May 29, though the products are not included in the FDA’s recall list. “To date, neither Champion Foods LLC nor our suppliers have received any reports of illness or injury related to these products,” the company said in a statement. It also noted that its cheese breads tested negative for salmonella prior to packaging. No illnesses have been reported in connection with any of the recalled products. But it’s important to be aware of the signs and symptoms of the bacterial infection. Here’s what to know.

Salmonella is a group of bacteria that can cause a gastrointestinal disease called salmonellosis. It is spread through contaminated food, unwashed hands and contact with infected animals or surfaces. People who come into contact with animals can transfer the bacteria to food if they don’t wash their hands properly.

In the United States, poultry and eggs are the primary sources of salmonella, Dr. Julie Parsonnet previously told Yahoo. However, it’s also common for dairy products — like in the current recall — to be contaminated, as well as fruits and vegetables. In the past few years, outbreaks of salmonella have stemmed from onions, peanut butter and salad greens. 

Salmonellosis causes what we call food poisoning and can lead to diarrhea, stomach cramps, vomiting and fever. Most people recover from salmonella at home within four to seven days by resting and drinking plenty of fluids to avoid dehydration. However, Parsonnet told Yahoo that it’s possible to see “severe illness in people who are immunocompromised or have sickle cell anemia.” The young and the elderly are especially at risk.

The Centers for Disease Control and Prevention estimates that approximately 450 people in the United States die each year from acute salmonellosis.

Yes. This month, chocolate company Spring & Mulberry voluntarily expanded a January recall of chocolate bars due to possible salmonella contamination, after an investigation traced the likely source to a specific lot of date ingredient used in production. Although all affected finished products have tested negative for salmonella and no illnesses have been reported, out of caution the company is recalling all items made with that ingredient.

The products affected by the recall were available for purchase online and through retailers nationwide since August 2025.

If you have a product in your home affected by the recall, do not eat it. Throw it away or return it to the store where you purchased it. If the item was placed in a container, make sure to thoroughly wash it before using it again.