Place the pulp from the halved avocados in a bowl and cover with lime juice, toss the avocados and lime juice together with a fork until covered
Mince the garlic and jalapeno and radishes, add to avocado/lime mixture
Chop onion and cilantro and add to the avocado mixture
Add in salt and cumin
Use a fork to mix the guacamole to your desired texture
Set aside and allow to rest for one hour at room temperature
Serve with chips or veggies for dipping