Place the green onion tops into the mixing bowl and chop 3 seconds/speed 7. Transfer into a bowl and set aside.
Place the white onion parts, chorizo, tomato, and ground cumin into the mixing bowl and chop 5 seconds/speed 5. Scrape down the sides of the mixing bowl with the spatula and without the measuring cup cook 10 minutes/Varoma/speed 1. Transfer into a separate bowl and set aside.
Without washing the mixing bowl, place the cheddar cheese cubes into the mixing bowl and grate 5 seconds/speed 6.
Add the cream cheese, whipping (or double) cream, and garlic powder, and cook for 6 minutes 30 seconds/195°F/speed 1. Transfer into a serving bowl.
Serve the cooked chorizo mixture in the centre of the serving bowl, surrounded by the cheese dip and sprinkle with the reserved chopped green onion tops.