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8 Surprisingly Flavorful Vegan Onion Pasta Dishes

vegan onion pasta

Onions are a staple in many kitchens and a versatile ingredient that can add depth of flavor to any dish. Pairing them with pasta results in a delicious and satisfying meal that is perfect for any occasion.

From classic favorites like pasta puttanesca and fettuccine alfredo to more innovative creations like roasted onion and tomato pasta salad or vegan caramelized onion and spinach stuffed shells, these recipes offer a wide variety of flavor profiles to suit any taste.

Pasta Puttanesca with Caramelized Onions

Pasta puttanesca is a classic Italian dish that is known for its bold and flavorful combination of ingredients. 

This dish is typically made with a sauce of tomatoes, olives, capers, anchovies, and garlic, which come together to create a bold and tangy flavor profile. This vegan version replaces the anchovies with caramelized onions, adding a touch of sweetness that complements the saltiness of the olives and capers, creating a balance of flavors that is sure to satisfy.

Preparation

Making this dish is simple and straightforward. Start by caramelizing the onions by cooking them in a pan with olive oil until they are soft and golden brown. While the onions are caramelized, cook your choice of pasta according to the package instructions. 

Once the pasta is cooked, drain it and set it aside. In the same pan that you caramelize the onions in, add canned or fresh tomatoes, chopped olives, capers, garlic, and a splash of white wine (if desired). Let the sauce simmer for a few minutes until the flavors have melded together.

Serving

To serve, toss the cooked pasta with the puttanesca sauce and divide it between plates. Garnish with fresh parsley and a drizzle of olive oil for an extra burst of flavor.

Vegan Onion and Garlic Fettuccine Alfredo

Fettuccine Alfredo is a classic Italian dish that is typically made with a rich and creamy sauce of butter, heavy cream, and parmesan cheese. This vegan version uses a combination of plant-based ingredients to create a creamy and flavorful sauce that is just as delicious as the original. 

The caramelized onions and garlic add depth of flavor, while the blended cashews provide a creamy texture that mimics the traditional heavy cream. This dish is perfect for those following a plant-based diet or for anyone looking to enjoy a comforting and satisfying pasta dish.

Preparation

To make this dish, start by caramelizing the onions and garlic in a pan with a little bit of olive oil. While the onions are cooking, cook the fettuccine according to the package instructions. 

While the pasta is cooking, make the sauce by blending cashews, almond milk, lemon juice, nutritional yeast, and spices in a blender or food processor until smooth. Once the pasta is cooked, drain it and set it aside.

Serving

To serve, toss the cooked pasta with the creamy sauce and divide it between plates. Top with the caramelized onions and garlic, and a sprinkle of fresh parsley for a touch of freshness.

Creamy Vegan Onion and Herb Pasta Bake

A pasta bake is an easy, satisfying meal that is perfect for feeding a crowd or for enjoying as leftovers. This vegan version features caramelized onions and a mix of herbs for added flavor, and uses coconut milk and nutritional yeast for a creamy sauce without dairy.

Preparation

Begin by caramelizing the onions in a pan with a bit of olive oil. While the onions are cooking, prepare the pasta according to the package instructions and make the sauce by blending coconut milk, nutritional yeast, herbs, and spices. 

In a large baking dish, mix together the cooked pasta, sauce, and caramelized onions, then top with breadcrumbs for a crunchy texture. Bake until golden brown and heated through. Serve with a sprinkle of parsley and a drizzle of olive oil for extra flavor.

Roasted Onion and Tomato Pasta Salad

This roasted onion and tomato pasta salad is a delicious mix of flavors that are sure to tantalize your taste buds.

Preparation

Start by roasting the onions in a hot oven until they begin to caramelize. Then add cherry tomatoes to the pan, tossing them with olive oil, salt, and pepper. Roast for another 10-15 minutes until the tomatoes are soft and lightly browned.

Once the vegetables are roasted, combine them with cooked pasta in a large bowl. Add your favorite herbs and spices, such as basil or oregano, for extra flavor. For an even heartier salad, add some crumbled feta cheese or chopped olives.

Dressing

Dress the salad with a simple vinaigrette made with olive oil, red wine vinegar, and Dijon mustard.

Vegan Caramelized Onion and Mushroom Stroganoff

Stroganoff is a classic Russian dish that typically features sauteed mushrooms and onions in a creamy sauce served over pasta or egg noodles. 

This vegan version replaces the traditional sour cream and beef with plant-based ingredients, such as coconut cream and mushrooms, to create a delicious and satisfying dish. The caramelized onions add a sweet and rich flavor that compliments the earthy mushrooms perfectly.

Preparation

To make this dish, start by caramelizing the onions in a pan with a little bit of olive oil. While the onions are cooking, cook the pasta or egg noodles according to the package instructions. 

While the pasta is cooking, make the sauce by sautéing mushrooms in a separate pan until they are tender, then add in coconut cream, vegetable broth, and spices.

Serving

To serve, toss the cooked pasta or egg noodles with the creamy sauce and divide it between plates. Top with the caramelized onions and mushrooms, and a sprinkle of fresh parsley for a touch of freshness.

Vegan Onion and Artichoke Pasta Bake

This vegan onion and artichoke pasta bake is the perfect comfort food. It’s loaded with flavor, thanks to onions and garlic that have been caramelized in olive oil before being combined with artichokes, creamy cashew-based cheese sauce, and whole-wheat penne. 

The vegetables and herbs provide a delicious balance of earthy and sweet flavors, while the cheesy sauce makes it extra-indulgent. Serve this dish as an easy weeknight dinner or for a cozy weekend meal.

Preparation

To start, cook the penne in salted boiling water until al dente. While that cooks, heat the olive oil in a large skillet over medium heat. Once hot, add the onions and garlic to the pan and saute until golden brown and fragrant. 

Add the artichokes to the pan and season with salt, pepper, and dried oregano. Saute for an additional five minutes or until the artichokes are tender. 

Meanwhile, make the cheesy sauce by combining soaked and drained cashews with vegetable broth, nutritional yeast, garlic powder, smoked paprika, and lemon juice in a blender. Blend until completely smooth. 

Once the pasta is cooked, strain it and add to the pan with the artichokes. Pour in the cheesy sauce and stir everything together until combined. Transfer the mixture to an oven-safe baking dish and top with breadcrumbs before baking for 25 minutes. 

Serve the vegan pasta bake with a sprinkle of fresh herbs, if desired.

Vegan Onion and Bell Pepper Pasta in a Spicy Tomato Sauce

This vegan pasta dish showcases the flavors of caramelized onions and bell peppers in a spicy tomato sauce, making for a delicious and satisfying meal. 

The sweetness of the onions and the crunch of the peppers balance perfectly with the heat of chili flakes, resulting in a full-flavored dish.

Preparation

Begin by cooking the pasta according to the package instructions. Meanwhile, saute the onions and peppers in a pan with some olive oil until they’re soft and slightly caramelized. Then, add canned tomatoes, chili flakes, and herbs to create the spicy tomato sauce.

Serving

To serve, mix the cooked pasta with the sauce and divide it between plates. Top with the sautéed onions and peppers and sprinkle fresh parsley for a touch of freshness.

Vegan Caramelized Onion and Spinach Stuffed Shells

These vegan caramelized onion and spinach stuffed shells are an easy, delicious meal that is sure to satisfy. The combination of sweet caramelized onions and earthy spinach creates a flavor-packed stuffing for jumbo pasta shells. 

Topped with a creamy vegan cheese sauce and baked until bubbly and golden brown, these stuffed shells are a treat that’s sure to impress.

Preparation

To prepare, start by caramelizing the onions. This can take a bit of time, but you’ll be rewarded with sweet and flavorful onions that are the perfect base for the stuffing. 

Once they’re ready, combine them with cooked spinach, vegan cheese, garlic, and seasonings in a bowl. Then stuff each shell with the mixture and arrange them in a baking dish.

To finish, make a vegan cheese sauce using vegan cream cheese, plant-based milk, nutritional yeast, and seasonings. Pour it over the stuffed shells and bake for about 30 minutes until golden brown. Serve hot to enjoy this delicious vegan dish.

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