1 Preheat oven at 400º. Line a cookie sheet with parchment paper.
2 Prepare the dipping sauce using all the ingredients above: mayo, sour cream, coriander, cumin, lemon juice, tabasco, salt and pepper. Mix well and place in the refrigerator until ready to use.
3 Dip the onion rings into the heavy cream and roll them well into the flour mixture. Shake any excess flour and place the onion rings on the cookie sheet. Lower the oven temperature to 375º. Bake turning once, for about 20 minutes or golden brown.
4 Serve alongside dipping sauce.
