1Cut the ripe avocado in half, remove the pit, and scoop the flesh into a mixing bowl.
Add the sour cream to the bowl with the avocado.
Pour in the lime juice.
Sprinkle the garlic powder, salt, and black pepper over the mixture.
Use a fork or a hand blender to mash and mix all the ingredients until smooth and creamy.
Taste and adjust seasoning if necessary.
Serve immediately or store in an airtight container in the refrigerator until ready to use.