KANSAS CITY — Peanut butter is popular among new product launches, with everything from cupcakes to muffins to nutrition bars featuring the sweet spread.

Peanut butter is the pinnacle of Flowers Foods’ new sweet treat. The company’s Mrs. Freshley’s brand is introducing peanut butter cupcakes, featuring chocolate cupcakes stuffed with peanut butter flavored crème filling covered in peanut butter icing.

Peanut butter meets protein and probiotics in the new FlapJacked peanut butter Mighty Muffin. Made with GanedenBC30 vegan probiotics, the muffin features 20 grams of protein and is certified gluten-free. The Mighty Muffin features roasted Virginia peanuts, gluten-free oats and peanut butter chips.

Legume lovers can get their peanut butter flavor fix with Mamma Chia’s new peanut butter Organic Chia Vitality Bar. Each bar contains 4 grams of sugar and features chia seeds, almonds, peanuts, pecans, quinoa, popped sorghum, brown rice crisps and a touch of sea salt. The bars are non-G.M.O., gluten-free, kosher and USDA Certified Organic.

Click to view a slideshow of more new products.