In an 8-quart saucepot, cook pancetta in olive oil on medium for 6 minutes or until crisp, stirring often. Transfer pancetta to a plate with a slotted spoon. To the pot, add onion, garlic, and crushed red pepper. Cook for 4 minutes, stirring often. Add tomatoes and heat to a simmer on high.
STEP 3
Add mussels and reduce heat to medium, then cover. Cook for 4 to 7 minutes or until mussels open, stirring twice.
STEP 4
Toss hot fries with Parmesan and serve alongside mussels, garnished with pancetta and parsley.