Tuscan Butter Mushrooms with Garlic Cream Sauce and Bacon

Ingredients

• 4 slices thick-cut bacon, drippings reserved
• 1 lb baby Portabella mushrooms, washed and dried
• 4 Tbsp unsalted butter
• 1 teaspoon minced garlic
• 1 medium onion, diced
• 240 ml white wine (or chicken broth)
• 1 cup cherry tomatoes, halved
• 1 tablespoon tomato paste
• 1 tablespoon Italian seasoning
• 1 teaspoon salt
• ¼ teaspoon ground black pepper
• 1 pinch red pepper flakes
• 240 ml heavy cream
• ½ cup shaved Parmesan
• 3 cups fresh spinach