haven't tried this recipe yet, but
www.allrecipes.com just emailed me my daily recipe on friday...and it just so happened to be mole. it looks like a simple recipe that can definitely be tweaked to your tasting....
2 teaspoons vegetable oil
1/4 cup finely chopped onion
1 tablespoon unsweetened cocoa powder
1 teaspoon ground cumin
1 teaspoon dried cilantro
1/8 tablespoon dried minced garlic
1 (10.75 ounce) can condensed tomato soup
1 (4 ounce) can diced green chile peppers
use US measurements
edited to add: maybe i might go for real green chiles instead of the canned ones....i haven't even seen the canned ones in the UK...but i haven't looked that hard either.