Bring a large pot of water to a boil and cook pasta one minute less than required, drain and toss with 1 tablespoon of olive oil and place on sheet tray to cool down.
In a medium skillet, cook garlic in 2 tablespoons olive oil until slightly yellow in color, remove from heat and set aside.
In a large bowl combine everything but the avocado and toss to combine.
When ready to serve add the diced avocado and gently fold it in.
