Step #1 Grill poblano & Anaheim peppers, over medium-high heat (350° to 400°) 5 to 7 mins or until peppers look blistered, without grill lid, turning often.
Step #2 Place peppers in a heavy-duty zip-top plastic bag; seal & let this stand 10 mins to loosen skins.
Step #3 Peel peppers; remove & discard seeds.
Step #4 Slice peppers into thin strips.
Step #5 Sauté onion & garlic in hot oil In a large-ish skillet over medium-high heat.
Step #6 Add pepper strips, & cook 2 mins or until tender; reduce heat to low.
Step #7 Add cheeses & half-and-half, stirring until cheese is melted.
Step #8 Serve warm with tortilla chips.
Step #9 Garnish, if desired.
Step #10 Note: For testing purposes only, we used Velveeta for cheese product.