Peel and dice onion into small pieces. If slow cooker has a stove feature set to high and add oil. Otherwise heat in a non-stick pan over medium-high heat.
Add onion and garlic to pan, cook 4-6 minutes until translucent and fragrant, stirring often. Add chorizo, break up meat, and cook 7-10 minutes more. If cooking on stove transfer mixture to a slow cooker.
Stir in La Terra Fina Queso Dip, milk, shredded cheese, tomato and chili powder. Cook covered on LOW for 1 hour until cheese is melted.
Stir again and garnish with cilantro. Keep on warm setting and serve with tortilla chips for dipping.
Most queso dip recipes call for cream cheese, this recipe substitutes that with La Terra Fina Queso Dip for extra flavor. It has jalapenos, peppers and Mexican spices mixed right in.