Preheat oven to 400 degrees. Toss cauliflower, oil, juice of one lime, chili lime seasoning and a pinch of salt and pepper in a large a bowl. Spread cauliflower on a lightly oil baking sheet and roast 15 minutes, then stir and roast another 10 minutes or until cauliflower is browned on all sides.

In the meantime, heat small amount of olive oil in large pan and cook onion and bell pepper until it begins to soften. Add drained black beans, a pinch of chili lime and a squeeze of lemon.

To make tacos: Add onion, bell pepper and black bean mixture to taco with cauliflower and a slice of avocado and topped salsa. Enjoy!