Ingredients
The following ingredients have 4 Servings
- 1 tablespoon olive oil
- 3 yellow onions (, large, sliced)
- 1/4 teaspoon salt
- 1 tablespoon balsamic vinegar
- 1 tablespoon olive oil
- 10 oz mushrooms (, sliced (I used button mushrooms))
- 6 oz spinach
- 1 cup half-and-half
- 1 cup Parmesan cheese (, shredded)
- 1/4 teaspoon salt
- 8 oz farfalle pasta