I found some information and a recipe. Hopefully you can adapt the recipe if necessary. Good luck and please share with all of us your results!

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RE: CHILI'S SPINACH-ARTICHOKE DIP
"I used to work at Chili's. The only thing that is in it is artichoke, spinach, chili's alfredo sauce and melted parm. I was on here looking for the official recipe." Source: Newbie "Fry Cook" Poster/Recipezaar

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CHILI'S HOT AND SPICY ARTICHOKE DIP
Source: Kitchen, Crafts & More/Online Recipes
Makes 2 cups

1 can (14 oz.) artichoke hearts, drained, chopped
1 cup (4 oz.) grated Parmesan cheese
1 cup sour cream
3/4 cup Roasted Green Chili and Garlic Salsa

Mix all ingredients until blended. Spoon into a shallow oven proof dish or a 9-inch pie tin.

Bake at 350 degrees for 20 to 25 minutes or until lightly browned. Serve with crackers or toasted pita bread wedges.