Heat fry pan on medium heat. Add olive oil and butter.
Once butter has melted, add diced pancetta and Sautee for 3 minutes.
Add halved brussels sprouts, cut side down. Sautee for 7 minutes. Turn each sprout over after cut side starts to brown and caramelize. Cook for another 5-7 minutes.
Add salt and pepper to taste. *Remember the pancetta has a lot of salt, so easy on the salt!