Since sour cream is prone to curdling, it’s not ideal for still-cooking recipes, like soup or a sauce. Mexican crema can be ...

You can use milk or half-and-half as a substitute for heavy cream by adding butter to it. For every cup of heavy cream you ...

Season with salt to taste and set aside. Make avocado crema: Slice remaining scallions and add to blender with mayonnaise, sour cream, peeled avocado, remaining cilantro, jalapeño and garlic.