In a medium mixing bowl, combine softened butter, pesto sauce, and grated Parmesan cheese. Use a spoon or spatula to mix the ingredients until they are well combined.
1/2 cup unsalted butter, 1/4 cup traditional pesto sauce, 1/4 cup grated Parmesan cheese
Taste the mixture and add kosher salt as desired. Keep in mind that the Parmesan cheese may already add some saltiness to the butter.
Kosher salt
Once the ingredients are thoroughly mixed and salted to taste, transfer the pesto butter to a container with a lid or roll into a log using plastic wrap.
Store the pesto butter in the refrigerator for at least 30 minutes to allow it to firm up and the flavors to meld together.
Once the pesto butter has firmed up, it is ready to serve. Spread it on toast, use it to sauté vegetables, or use it to baste grilled meats. Enjoy!
Notes
Use high-quality ingredients - Because pesto butter is made with just a few ingredients, it's important to use the best quality you can find. Use homemade pesto, creamy butter, fresh herbs, and the best, affordable Parmesan cheese for the best results
Soft Butter - Ensure the butter is soft enough to be mixed easily. If your butter is too hard, it won't mix well with the other ingredients, and you'll have a lumpy, uneven texture.
Food Processor - Use a food processor or blender to mix the ingredients for a more consistent mixture.
Adapt To Taste - Adjust the amount of pesto, Parmesan, and salt to your taste. This recipe is just a starting point; feel free to adjust the amounts of each ingredient to your liking. If you like a stronger pesto flavor, add more pesto. If you're a fan of Parmesan cheese, add a bit more of that too.
Try Different Pestos - Experiment with different types of pesto. While traditional basil pesto is the most common type, there are many other variations to choose from, including sun-dried tomato, arugula, and even kale pesto. Feel free to experiment with different types to find your favorite.