Sunday Roasted Vegetable Grain Bake

Highlighted under: Clean Inspiration

I absolutely love Sundays because they give me a chance to unwind and prepare something wholesome for the week ahead. This Sunday Roasted Vegetable Grain Bake is my go-to dish when I crave a healthy and hearty meal that can be enjoyed throughout the week. The vibrant colors of the roasted vegetables combined with the nutty grains create an inviting dish that's not just pleasing to the eye but also packed with nutrition. Plus, it's incredibly easy to customize with whatever veggies I have on hand!

Tamsyn Calder

Created by

Tamsyn Calder

Last updated on 2026-01-14T01:17:35.455Z

When I first created this recipe, I wanted to highlight the natural sweetness of seasonal vegetables. Roasting them enhances their flavor and gives the bake a delightful caramelized taste. Using a combination of quinoa and brown rice not only adds texture but also makes the dish a complete protein source. I remember my kids couldn’t get enough!

This grain bake has become a staple in our home. The versatility is endless; I often experiment with different spices or add beans for an extra protein boost. The leftovers are perfect for lunches throughout the week, and a drizzle of tahini dressing elevates each bite beautifully!

Why You Will Love This Recipe

  • Delicious blend of flavors and textures that satisfy any palate
  • Versatile, allowing you to use any seasonal veggies you have
  • Great source of plant-based protein and fiber

Key Techniques for Roasting Vegetables

Roasting the vegetables at a high temperature, like 425°F (220°C), allows for caramelization, which enhances the natural sweetness and flavor of the vegetables. To achieve that perfect tender yet slightly crisp texture, spread them in a single layer on the baking sheet. This prevents steaming and ensures even cooking. Keep an eye on them around the 20-minute mark; you'll know they're ready when the edges are golden and slightly charred.

When combining your vegetables, experiment with textures by mixing softer veggies like zucchini with firmer ones like carrots or bell peppers. This variety not only adds visual interest but also ensures a balanced cooking time. Consider parboiling harder vegetables for a few minutes before roasting if you want to ensure everything finishes cooking perfectly together.

Ingredient Substitutions and Variations

The beauty of this dish lies in its versatility. If you're out of quinoa or brown rice or simply want to try something different, feel free to use farro, barley, or even cooked lentils for a hearty base. Similarly, you can swap in any seasonal vegetables you prefer or have on hand, such as eggplant, asparagus, or broccoli, making this recipe adaptable to your personal taste and pantry staples.

For a vegan option, simply omit the feta cheese or substitute it with crumbled tofu or a sprinkle of nutritional yeast for a cheesy flavor. Fresh herbs like thyme or dill can also provide a refreshing twist when garnished on top, elevating the dish's overall flavor profile.

Storage and Reheating Tips

This Roasted Vegetable Grain Bake is not only delicious right out of the oven but also makes for a fantastic make-ahead meal. You can store leftovers in an airtight container in the refrigerator for up to 4-5 days. If you’d like to keep it longer, consider freezing the baked dish. Just allow it to cool completely before transferring it to a freezer-safe container, where it can be frozen for up to three months.

When reheating, you can enjoy it cold straight from the fridge for a refreshing meal prep option or warm it up in the oven at 350°F (175°C) for about 15-20 minutes until heated through. If using the microwave, place it in a microwave-safe dish and cover it loosely to prevent drying out, heating in short bursts until warm.

Ingredients

Gather the following ingredients to make this delicious bake:

Ingredients

  • 2 cups chopped seasonal vegetables (e.g. bell peppers, zucchini, carrots)
  • 1 cup cooked quinoa
  • 1 cup cooked brown rice
  • 1/2 cup cherry tomatoes, halved
  • 1/4 cup olive oil
  • 1 tsp dried oregano
  • 1 tsp garlic powder
  • Salt and pepper to taste
  • 1/2 cup feta cheese (optional)
  • Fresh herbs for garnish (e.g. parsley, basil)

Once you have all your ingredients, you're ready to start this easy bake!

Instructions

Follow these simple steps to create your Sunday Roasted Vegetable Grain Bake:

Prepare the Vegetables

Preheat your oven to 425°F (220°C). In a large bowl, combine the chopped vegetables, olive oil, oregano, garlic powder, salt, and pepper. Toss until everything is well coated.

Roast the Vegetables

Spread the vegetable mixture in a single layer on a baking sheet. Roast in the oven for about 25 minutes, or until tender and slightly caramelized.

Mix the Grains

In a large mixing bowl, combine the cooked quinoa, brown rice, and roasted vegetables. Stir in the halved cherry tomatoes and feta cheese if using.

Bake the Dish

Transfer the mixture to a greased baking dish and bake for an additional 15 minutes to let the flavors meld together.

Serve and Enjoy

Garnish with fresh herbs before serving. This dish is delicious warm but also great chilled for meal prep!

Enjoy your healthy and wholesome Sunday Roasted Vegetable Grain Bake!

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Pro Tips

  • Feel free to experiment with different vegetables or grains. Adding nuts or seeds can provide extra crunch and nutritional benefits.

Serving Suggestions

To turn this dish into a complete meal, consider adding a protein source such as grilled chicken, chickpeas, or beans. This not only complements the grains and vegetables but also boosts the overall nutritional value. You could serve it alongside a fresh green salad or with a dollop of yogurt or hummus for added flavor and creaminess.

I love serving mine with a splash of balsamic glaze or a drizzle of tahini sauce for an extra layer of taste. This dish is also fantastic as a filling for wraps or pitas, making it a versatile choice for packed lunches or quick dinners.

Tips for Perfecting the Bake

Timing is everything for this dish. Ensure your oven is fully preheated before placing the vegetables in to encourage proper roasting. If you're not sure about doneness, taste a piece or two of the largest vegetables before pulling them out of the oven. They should be tender but not mushy, retaining enough structure to hold their shape when mixed with the grains.

Also, don't rush the mixing stage. Gently stir the roasted vegetables with the grains, allowing the warmth from the veggies to lightly melt the feta if you're using it. This creates a more cohesive texture and flavor throughout the bake, ensuring every bite is balanced with that creamy, tangy cheese.

Questions About Recipes

→ Can I use frozen vegetables?

Yes, but they may release more moisture, so consider reducing the oil to avoid a soggy bake.

→ How long will leftovers last in the fridge?

Leftovers can be stored in an airtight container for up to 5 days in the refrigerator.

→ Can I make this dish vegan?

Absolutely! Just omit the feta cheese or use a plant-based version.

→ What can I serve this bake with?

It pairs well with a simple salad or can be served as a side dish to grilled proteins.

Sunday Roasted Vegetable Grain Bake

I absolutely love Sundays because they give me a chance to unwind and prepare something wholesome for the week ahead. This Sunday Roasted Vegetable Grain Bake is my go-to dish when I crave a healthy and hearty meal that can be enjoyed throughout the week. The vibrant colors of the roasted vegetables combined with the nutty grains create an inviting dish that's not just pleasing to the eye but also packed with nutrition. Plus, it's incredibly easy to customize with whatever veggies I have on hand!

Prep Time20 minutes
Cooking Duration40 minutes
Overall Time60 minutes

Created by: Tamsyn Calder

Recipe Type: Clean Inspiration

Skill Level: Easy

Final Quantity: 4 servings

What You'll Need

Ingredients

  1. 2 cups chopped seasonal vegetables (e.g. bell peppers, zucchini, carrots)
  2. 1 cup cooked quinoa
  3. 1 cup cooked brown rice
  4. 1/2 cup cherry tomatoes, halved
  5. 1/4 cup olive oil
  6. 1 tsp dried oregano
  7. 1 tsp garlic powder
  8. Salt and pepper to taste
  9. 1/2 cup feta cheese (optional)
  10. Fresh herbs for garnish (e.g. parsley, basil)

How-To Steps

Step 01

Preheat your oven to 425°F (220°C). In a large bowl, combine the chopped vegetables, olive oil, oregano, garlic powder, salt, and pepper. Toss until everything is well coated.

Step 02

Spread the vegetable mixture in a single layer on a baking sheet. Roast in the oven for about 25 minutes, or until tender and slightly caramelized.

Step 03

In a large mixing bowl, combine the cooked quinoa, brown rice, and roasted vegetables. Stir in the halved cherry tomatoes and feta cheese if using.

Step 04

Transfer the mixture to a greased baking dish and bake for an additional 15 minutes to let the flavors meld together.

Step 05

Garnish with fresh herbs before serving. This dish is delicious warm but also great chilled for meal prep!

Extra Tips

  1. Feel free to experiment with different vegetables or grains. Adding nuts or seeds can provide extra crunch and nutritional benefits.

Nutritional Breakdown (Per Serving)

  • Calories: 320 kcal
  • Total Fat: 12g
  • Saturated Fat: 2g
  • Cholesterol: 5mg
  • Sodium: 200mg
  • Total Carbohydrates: 46g
  • Dietary Fiber: 7g
  • Sugars: 4g
  • Protein: 9g