01 -
Cook bacon in a large skillet until crisp. Transfer to paper towels to drain excess grease, then chop coarsely. Remove all but 15 ml of bacon grease from the skillet, leaving drippings at the bottom.
02 -
Add butter to the skillet with the bacon grease and melt over medium heat. Stir to scrape up any browned bits. Add diced onion and sauté until translucent. Incorporate minced garlic and cook until lightly browned. Pour in white wine or broth, scraping the skillet to loosen browned bits.
03 -
Stir in tomato paste until fully incorporated. Add halved cherry tomatoes, salt, black pepper, Italian seasoning, and red pepper flakes. Simmer gently until the tomatoes begin to break down.
04 -
Add baby Bella mushrooms to the sauce. Stir to coat and allow them to simmer over low heat for 5 minutes.
05 -
Reduce heat further and mix in heavy cream and Parmesan cheese until the sauce is smooth and creamy. Fold in fresh spinach and chopped bacon, stirring until the spinach wilts. Serve immediately as a side or over pasta or potatoes.