Sweet Potato Spaghetti with Mushrooms and Bacon

Name: Sweet Potato Spaghetti with Mushrooms and Bacon
Ingredients: 3 medium sweet potatoes, spiralized; 250 grams (8.8 oz) button mushrooms, cut into slices; 200 grams (7 oz) thin slices of smoked bacon, cut into thin strips; 60 grams (2 oz) pecans; 120 milliliters (1/2 cup) unsalted chicken broth; 1/2 teaspoon white miso paste; 4 garlic cloves, minced; 1 teaspoon each: smoked paprika, crushed chili flakes; olive oil; 50 grams (3 tbsp) unsalted butter; 20 sage leaves; salt + black pepper; grated Pecorino Romano, for serving