Creamy Beet Pasta

Bahan-bahan (4 porsi)

• 4 small beets (or 2 large)
• 1 tablespoon olive oil
• salt and black pepper
• ½ cup diced onion
• 3 cloves garlic (minced)
• 1 tablespoon salted butter
• ½ cup chicken broth (or vegetable broth)
• 1 ¼ cup heavy whipping cream
• 2 sprigs fresh thyme (or ¼ teaspoon dried thyme leaves)
• pinch cayenne pepper
• ⅓ cup shredded Parmesan cheese
• 12 ounces fettuccine (plus 1 cup of the pasta water)