5 low-calorie weeknight dinners
5 low-calorie weeknight dinners — each designed to be filling, flavorful, and around 400–500 calories per serving. No boring “diet food” here — just clean, satisfying meals that get the job done.
1. Zucchini Noodle Shrimp Scampi

Time: 20 minutes
Calories: ~350 per serving
Serves: 2
Ingredients:
- 2 medium zucchinis, spiralized
- 8 oz shrimp, peeled and divined
- 1 tbsp olive oil
- 2 garlic cloves, minced
- Juice of 1/2 lemon
- 1 tbsp chopped parsley
- Pinch of chili flakes (optional)
Instructions:
- Sauté garlic in olive oil for 1 minute. Add shrimp and cook until pink (3–4 minutes).
- Add zucchini noodles, toss, and cook 2–3 minutes until just tender.
- Finish with lemon juice, chili flakes, and parsley.
Low-calorie tip: Don’t overcook the zoodles or they’ll get soggy.
2. Turkey Taco Lettuce Cups

Time: 25 minutes
Calories: ~400 per serving (4 cups)
Serves: 4
Ingredients:
- 1 lb lean ground turkey
- 1 tsp cumin
- 1 tsp paprika
- 1/2 tsp garlic powder
- Salt + pepper
- 1/2 cup diced onion
- 1/2 cup chopped tomato
- 1 head romaine or butter lettuce (for cups)
- Optional: hot sauce, plain Greek yogurt (instead of sour cream)
Instructions:
- Cook turkey and onion until browned. Add spices and tomato.
- Simmer for 5 minutes. Spoon into lettuce leaves.
- Top with a dollop of Greek yogurt and hot sauce.
3. Cauliflower Fried Rice

Time: 20 minutes
Calories: ~300 per serving
Serves: 4
Ingredients:
- 1 medium head cauliflower, grated or riced
- 2 eggs, beaten
- 1 cup mixed frozen vegetables
- 2 green onions, sliced
- 1 tbsp low-sodium soy sauce
- 1 tsp sesame oil
Instructions:
- Cook veggies in sesame oil. Push to one side, scramble eggs on the other.
- Stir in cauliflower rice and soy sauce.
- Cook 5–7 minutes, stirring until everything is heated and golden.
4. Grilled Chicken & Veggie Sheet Pan

Time: 30 minutes
Calories: ~400 per serving
Serves: 4
Ingredients:
- 4 boneless skinless chicken breasts
- 1 zucchini, chopped
- 1 red bell pepper, sliced
- 1 cup cherry tomatoes
- 1 red onion, chopped
- 1 tbsp olive oil
- 1 tsp Italian seasoning
- Salt + pepper
Instructions:
- Preheat oven to 425°F (220°C).
- Toss all veggies with oil and seasoning. Spread on sheet pan.
- Add chicken, season with salt, pepper, and Italian herbs.
- Roast for 25 minutes or until chicken is done.
Optional: Serve with lemon wedges or a drizzle of balsamic glaze.
5. Spaghetti Squash with Marinara & Turkey Meatballs

Time: 30 minutes
Calories: ~450 per serving
Serves: 4
Ingredients:
- 1 medium spaghetti squash
- 1 lb lean ground turkey
- 1 egg
- 1/4 cup breadcrumbs (or almond flour)
- 1 tsp Italian seasoning
- 1 1/2 cups low-sugar marinara sauce
- Fresh basil (optional)
Instructions:
- Microwave or roast spaghetti squash until tender, then scrape into noodles.
- Mix turkey, egg, seasoning, and crumbs. Form into small meatballs.
- Bake or pan-cook meatballs until browned and cooked through.
- Warm marinara, toss with squash, top with meatballs and basil.