Juicy, smoky chicken with caramelized zucchini, sweet peppers, burst cherry tomatoes, and creamy lupini beans makes this sheet-pan dinner colorful, hearty, and genuinely satisfying. A little feta and parsley at the end add salty freshness without weighing the dish down.
This high protein high fiber low carb dinner cooks mostly hands-off on one pan, so it’s a practical choice for busy weeknights. The vegetables roast until tender at the edges while the chicken stays flavorful and substantial enough to serve in a bowl all on its own.
Why You’ll Love This Recipe
- Protein-forward and filling: Chicken and lupini beans give the meal staying power, while vegetables add volume and fiber.
- Low-carb-minded ingredients: Zucchini, peppers, tomatoes, and lupini beans keep the bowl lighter than a potato- or grain-based sheet-pan meal.
- One-pan cooking: Parchment makes cleanup especially easy.
- Big roasted flavor: Smoked paprika, garlic, and high heat create savory browned edges with very little effort.
Ingredient Notes
- Chicken: Boneless, skinless breasts are lean and cook quickly. Boneless thighs are a little richer and more forgiving; trim excess fat and cut either into even 1-inch pieces.
- Lupini beans: These brined beans are unusually high in protein and fiber for a legume while staying relatively low in net carbs. Rinse and drain them well so the finished dish isn’t too salty. Shelled edamame works if needed, though it changes the carb count slightly.
- Zucchini, bell pepper, red onion, and cherry tomatoes: This combination turns tender and sweet in the oven. Cut the zucchini fairly thick so it doesn’t become mushy.
- Smoked paprika and garlic powder: They give the chicken a warm, grill-like flavor without a separate marinade. Regular paprika is fine, but smoked paprika has more depth.
- Feta and parsley: Feta brings tangy saltiness, and parsley brightens the roasted vegetables. Use dairy-free feta or simply leave it out if you prefer.
Sheet Pan Chicken, Vegetables & Lupini Bean High Protein High Fiber Low Carb Dinner
This recipe makes four generous bowls. Keep the pieces similar in size so the chicken cooks through at the same time the vegetables brown.
Ingredients
- 1 1/2 pounds boneless, skinless chicken breast or thighs, cut into 1-inch pieces
- 1 medium zucchini, sliced into thick half-moons
- 1 red bell pepper, chopped into bite-size pieces
- 1 small red onion, cut into thin wedges
- 1 pint cherry tomatoes, halved
- 1 1/2 cups drained and rinsed lupini beans
- 2 tablespoons olive oil
- 1 teaspoon smoked paprika
- 1 teaspoon garlic powder
- 3/4 teaspoon kosher salt, plus more to taste
- 1/2 teaspoon black pepper
- 1/4 teaspoon red pepper flakes, or more to taste
- 1/3 cup crumbled feta
- 2 tablespoons chopped fresh parsley
- Lemon wedges, for serving
Instructions
- Heat the oven to 425°F. Line a large rimmed baking sheet with parchment paper. The hot oven encourages browning instead of steaming, which gives the chicken and vegetables better flavor.
- Pat the chicken dry with paper towels. Add it to a large bowl with the zucchini, bell pepper, onion, tomatoes, and lupini beans.
- Drizzle with olive oil, then sprinkle over the smoked paprika, garlic powder, salt, pepper, and red pepper flakes. Toss until everything is evenly coated, then spread it in a single layer on the prepared pan. Leave a little space between pieces whenever possible; crowding traps steam.
- Roast for 15 minutes. Stir and turn the chicken and vegetables, moving any pale pieces toward the outer edges of the pan for more even browning.
- Return the pan to the oven and roast for 10 to 15 minutes more, until the chicken reaches 165°F in the thickest pieces and the vegetables are tender with browned edges.
- For deeper color, broil for 1 to 3 minutes, watching closely. Sprinkle with feta and parsley, then finish each bowl with a squeeze of lemon.
Tips & Variations
- Use a large enough pan: A half-sheet pan works well. If the ingredients are piled up, they release moisture and soften rather than roast. Divide between two pans if necessary.
- Check chicken by temperature, not color: Pieces vary in size, especially with thighs. An instant-read thermometer takes out the guesswork and keeps the chicken from drying out.
- Skip added sugar: Hot honey is delicious on many sheet-pan chicken recipes, but lemon, feta, and red pepper flakes give this low-carb dinner plenty of brightness and heat without it.
- Change the vegetables thoughtfully: Broccoli florets, asparagus, or mushrooms can replace the zucchini or peppers. Choose quick-roasting vegetables, and cut dense vegetables small enough to finish in about 30 minutes.
Serving and Storage
Serve this high protein high fiber low carb dinner in wide bowls with extra lemon wedges. A simple arugula salad with olive oil and vinegar is a fresh side, or add cauliflower rice when you want a larger meal without adding many carbs. For anyone at the table who wants grains, offer cooked quinoa or crusty bread separately.
Cool leftovers promptly and refrigerate them in an airtight container for up to 3 days. Reheat on a sheet pan at 375°F for 8 to 10 minutes, or warm gently in a skillet with a splash of water and a lid. The oven keeps the roasted vegetables firmer than the microwave.
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Frequently Asked Questions
Are lupini beans low carb?
Lupini beans are a useful choice for lower-carb eating because much of their carbohydrate content comes from fiber. Nutrition labels vary by brand and preparation, so check the label if you track total or net carbs closely.
Can I make this recipe without lupini beans?
Yes. Add another zucchini or a few cups of broccoli instead. The dinner will still be high in protein from the chicken, though it will have less fiber and plant-based protein than the lupini bean version.
Can I use chicken thighs instead of chicken breast?
Absolutely. Boneless, skinless thighs stay juicy and bring a richer flavor. Cut them into even pieces and cook until they reach 165°F.
How can I meal prep this dinner?
Chop the vegetables and chicken up to one day ahead, storing them separately in the refrigerator. For the best texture, toss everything with oil and seasonings right before roasting. Portion cooked leftovers into containers with lemon wedges added after reheating.