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    Home » Recipes » Mains

    Creamy Vegetable Pasta Sauce (using Roasted Veggies)

    Published: Apr 7, 2025 by Elizabeth · This post contains affiliate links.

    Jump to Recipe Print Recipe

    Meet the creamiest roasted vegetable pasta sauce! This Creamy Vegetable Pasta Sauce features sweet, caramelized vegetables and cream cheese for a luscious, veggie-loaded sauce.

    A plate of Creamy Vegetable Pasta Sauce, garnished with parsley.

    We love secret veggies around here! Well, really, we just love veggies.

    And when they're roasted and blended into a super creamy sauce, even better!

    This creamy vegetable pasta sauce is perfect for using up leftover vegetables. And is a mostly hands-off recipe.

    Roast the veggies. Throw them into a blender with some cream cheese. And then toss with your favorite pasta!

    Jump to:
    • Why I love this Vegan Broccoli Pasta Sauce
    • Ingredient Notes & Substitutions
    • Step-By-Step Instructions
    • Serving Suggestions
    • FAQ & Expert Tips
    • Recipe Prayer
    • More veggie-forward pasta recipes
    • Tried this recipe?
    • 📖 Recipe
    • 💬 Comments
    A plate of Creamy Vegetable Pasta Sauce.

    Why I love this Vegan Broccoli Pasta Sauce

    • Veggie forward - this sauce is packed with vegetables!
    • Customizable - pick you favorite veggies or throw in whatever veggies you need to use up
    • Nutritious pasta recipe - with secret vegetables, disguised in a creamy sauce, this dish is full of micronutrients.
    • Dietary needs - this creamy pasta is easily vegan, gluten-free, dairy-free, plant-based, oil-free, and sugar-free
    • Packed with flavor - roasted vegetables and rich cream cheese create a beautifully deep flavor
    A plate of Creamy Vegetable Pasta Sauce, with a fork.

    Ingredient Notes & Substitutions

    • Veggies: onion, carrots, zucchini, cauliflower, tomatoes. Feel free to sub similar vegetables or more/less of a vegetable based on what you have.
    • Extra Virgin Olive Oil: just a bit of oil can help get a nice flavor on the veggies. This recipe can be completely oil free - see my notes below.
    • Salt & Pepper
    • Cream Cheese: I used vegan cream cheese - my favorite is Kroger's Simple Truth brand.
    • Nutritional Yeast: for delicious cheesy flavor. You could also use vegan parmesan (or regular parm if you aren't vegan).
    • For garnish: chopped fresh parsley optional
    Creamy Vegetable Pasta Sauce Ingredients

    Pasta: I used rigatoni. Almost any pasta shape will work here. See notes below for gluten-free.

    Creamy Vegetable Pasta Sauce Pasta Ingredients

    Step-By-Step Instructions

    Step 1. Preheat the oven to 425°F.

    Step 2. Place the veggies on a foil-lined baking sheet. Drizzle with the olive oil and sprinkle with salt and pepper. Toss a few times to distribute the oil and spices. Roast for 45-55 minutes, until soft.

    Creamy Vegetable Pasta Sauce step 2 - roast the veggies.

    Step 3. During the last 20 minutes of cooking, bring a pot of salted water to a boil. Cook the pasta according to the package directions. Reserve 1 of cup pasta water. Then transfer the pasta to a large bowl.

    Creamy Vegetable Pasta Sauce step 3 - cook the pasta.

    Step 4. When veggies are done, carefully transfer them to a blender, using the foil as a funnel. Add the cream cheese and nutritional yeast. Blend until smooth.

    Creamy Vegetable Pasta Sauce step 4 - blend the vegetables and cream cheese.

    Step 5. Pour the vegetable sauce over the pasta. Stir, adding the pasta water to thin the sauce as desired - I used almost the full cup.

    Creamy Vegetable Pasta Sauce step 5 - toss the sauce with the pasta and pasta water.

    Step 6. Serve with a garnish of chopped fresh parsley.

    Creamy Vegetable Pasta Sauce step 6 - serve with a garnish of parsley.

    Serving Suggestions

    This pasta is great on its own, but it's also great with protein added in!

    Protein. I recommend my seitan chicken - prep the chicken before making the pasta, then stir in the chickens at the end. You could also make vegan meatballs as a twist on spaghetti and meatballs. A store-bought protein like Abbot's chick'n, chorizo, or beef would also be great in this dish.

    Sides. If you're feeling extra, serve with my vegan garlic bread.

    A plate of Creamy Vegetable Pasta Sauce, with a fork.

    FAQ & Expert Tips

    What pasta works well in this dish?

    I recommend any short pasta. Shapes like penne, rigatone, rotini, gemelli, etc. will all be great!

    Sub other vegetables

    Other vegetables that would work: broccoli, yellow squash, butternut squash, acorn squash, or even a bean like edamame.
    If you want to use a green like spinach, wait until the last 5-10 minutes of roasting to add the greens.

    Storage

    This pasta will last in the fridge for up to a week. Store in an air-tight container.

    Feel free to reheat in the microwave or quickly heat on the stove. You can add a splash of water to help re-hydrate the sauce.

    Make it a meal

    Add protein. I recommend my seitan chicken. Or a store-bought protein like Abbot's.

    A plate of Creamy Vegetable Pasta Sauce, garnished with parsley.

    Recipe Prayer

    Thank you God for the nutrients and flavors in this meal. We are grateful that You give us fresh seasonal produce to nourish our bodies. Amen.

    A plate of Creamy Vegetable Pasta Sauce, with a fork.

    More veggie-forward pasta recipes

    • A plate of vegan broccoli pasta, ready to eat.
      Vegan Broccoli Pasta Sauce
    • Vegan one pot pasta in the pot it was cooked in, ready to serve.
      Vegan One Pot Pasta
    • A plate of vegan pasta primavera, with a fork, ready to serve.
      Vegan Tahini Lemon Pasta Primavera
    • A plate of vegan creamy spinach pasta, with a fork and napkin, ready to eat.
      Weeknight Vegan Creamy Spinach Pasta

    Tried this recipe?

    Please leave a review in the comments section below. You can also stay in touch with me on social media by following me on Instagram, Pinterest, and TikTok or by subscribing to my newsletter.

    📖 Recipe

    A plate of Creamy Vegetable Pasta Sauce, garnished with parsley.

    Creamy Vegetable Pasta Sauce (using roasted veggies)

    Meet the creamiest roasted vegetable pasta sauce! This Creamy Vegetable Pasta Sauce features sweet, caramelized vegetables and cream cheese for a luscious, veggie-loaded sauce.
    Print Pin Rate
    Course: Main Course
    Cuisine: American
    Prep Time: 15 minutes minutes
    Cook Time: 45 minutes minutes
    Total Time: 1 hour hour
    Servings: 6
    Calories: 520kcal
    Author: Elizabeth

    Equipment

    • Blender

    Ingredients

    • 1 Medium Yellow Onion sliced
    • 2 Medium Carrots peeled and sliced
    • 2 Medium Zucchini sliced into rounds
    • 1 Small Head Cauliflower broken into florets
    • 1 Cup Cherry Tomatoes
    • 1 Tablespoon Extra Virgin Olive Oil optional *see notes for oil free
    • 1 Teaspoon Salt
    • ½ Teaspoon Black Pepper
    • 1 Cup Cream Cheese I used vegan cream cheese
    • ¼ Cup Nutritional Yeast optional (can use parmesan if not vegan)
    • 1 Pound Pasta of choice I used rigatoni - almost any shape will work well; including gluten free *see notes
    • For garnish: chopped fresh parsley optional

    Instructions

    • Preheat the oven to 425°F.
    • Place the veggies on a foil-lined baking sheet. Drizzle with the olive oil and sprinkle with salt and pepper. Toss a few times to distribute the oil and spices. Roast for 45-55 minutes, until soft.
    • During the last 20 minutes of cooking, bring a pot of salted water to a boil. Cook the pasta according to the package directions. Reserve 1 of cup pasta water. Then transfer the pasta to a large bowl.
    • When veggies are done, carefully transfer them to a blender, using the foil as a funnel. Add the cream cheese and nutritional yeast. Blend until smooth.
    • Pour the vegetable sauce over the pasta. Stir, adding the pasta water to thin the sauce as desired - I used almost the full cup.
    • Serve with a garnish of chopped fresh parsley.

    Notes

    Oil Free: I often roast my vegetables oil-free! The trick is to rinse and slightly dry the vegetables - this allows them to have enough moisture that they don't burn but not so much that they only steam.
    Gluten Free: this recipe is great with gluten-free pasta. When mixing sauces with gluten-free pasta, the pasta can easily break down, so I recommend cooking 1-2 minutes below what the package lists as al dente.

    Nutrition

    Calories: 520kcal | Carbohydrates: 77g | Protein: 20g | Fat: 17g | Saturated Fat: 4g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Sodium: 574mg | Potassium: 879mg | Fiber: 10g | Sugar: 9g | Vitamin A: 3650IU | Vitamin C: 41mg | Calcium: 116mg | Iron: 4mg

    Nutrition information is an estimate.

    Tried this recipe?I love to see what you make! Tag me on Instagram @elizabeths_table

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