Cook Pasta: Boil water in a pot and cook gluten-free fettuccine according to package instructions until al dente.

Sauté Aromatics: In a heated skillet, add water, broth, or oil. Sauté garlic and sun-dried tomatoes for 2 minutes, adding water as needed.

Close-up shot of a large black skillet on a white marble cooktop, with garlic cloves minced and sun-dried tomatoes chopped, sautéing in the skillet. The mixture sizzles gently, releasing aromatic steam. The skillet is shiny and evenly heated, with water added to assist in cooking.

Caramelize Flavors: Mix in Italian seasoning, balsamic vinegar, and tomato paste. Cook for 2-3 minutes until caramelized.

Close-up shot of a large black skillet on a white marble cooktop, with Italian seasoning, balsamic vinegar, and tomato paste being stirred into the garlic and sun-dried tomatoes. The ingredients cook and caramelize, turning golden and aromatic. The skillet's surface glistens with the caramelizing sauce.

Simmer Sauce: Add cherry tomatoes and water to the skillet. Cover and cook for 3-4 minutes until tomatoes are soft, then smash them with a spoon.

Close-up shot of a large black skillet on a white marble cooktop, with cherry tomatoes and water added to the sautéed ingredients. The tomatoes soften and release juices as they simmer. The mixture is covered and gently bubbling, with steam rising from the skillet.

Stir in coconut milk and nutritional yeast, seasoning with salt and pepper. Simmer for 5-10 minutes until thickened.

Close-up shot of a large black skillet on a white marble cooktop, with coconut milk and nutritional yeast being stirred into the simmering tomato mixture. The sauce becomes creamy and smooth, swirling together with a rich texture.

Combine Pasta and Sauce: Drain pasta and add it to the skillet. Toss with arugula until well combined.

Close-up shot of a large black skillet on a white marble cooktop, with cooked fettuccine pasta added to the creamy tomato sauce. The pasta is gently tossed in the skillet, soaking up the rich sauce. Arugula is added, wilting slightly into the mixture.

Serve: Top with parsley and optional vegan parmesan before serving.