I start with about 1 cup of cactus, cooked and cut into strips.
You can use canned, just rinse and drain.
I use corn, minced onion, black beans, tomatoes. and diced jicama.
1/3 cup red wine vinegar
2/3 cup light oil
1 TBS dijon mustard
salt, pepper, onion powder and garlic powder to taste.
You can use minced garlic instead of powdered.
Mix with salad and chill...