This delicious low carb sheet pan garlic Parmesan lemon chicken with asparagus is a quick, easy and delicious one-pan keto meal for the whole family.

One Pan Low Carb Parmesan Lemon Chicken with Asparagus and Tomatoes

Course Main Course
Cuisine American
Prep Time 10 minutes
Servings 6 servings
Calories 526kcal
Author 730 Sage Street


For the marinade:

  • 1 tsp salt
  • 1/3 cup olive oil
  • 1/3 cup fresh lemon juice approx. 2 lemons
  • 1 tsp lemon zest
  • 1/2 tsp black pepper
  • 2 tsp minced garlic
  • 1 tsp oregano

For the Garlic Parmesan Butter:

  • 1/2 cup shredded Parmesan cheese
  • 4 tbsp salted butter - softened
  • 1 tbsp minced garlic
  • 1 tsp dried parsley

For the chicken:

  • 1-1/2 - 2 lbs boneless skinless chicken thighs
  • 1 lb fresh asparagus
  • 2 small tomatoes
  • 1 lemon
  • 1/2 cup shredded Parmesan cheese
  • 4 tbsp salted butter
  • 1 tsp dried parsley
  • salt
  • black pepper


For the marinade:

  • In a small bowl, mix together all of the marinade ingredients.
  • Place chicken in a shallow dish and pour marinade on top.
  • Cover and place in refrigerator for 4 hours or overnight. You may want to flip the chicken a couple of times while marinating.

For the Garlic Parmesan Butter:

  • In a medium bowl, mix together all garlic ParmesanĀ butter ingredients until combined.

For the chicken:

  • Preheat oven to 400 degrees F.
  • Line a baking sheet with parchment paper.
  • Remove chicken from marinade and place in the center of baking sheet.
  • Spread the garlic Parmesan butter evenly across the tops of the chicken.
  • Bake for 15 minutes.
  • Meanwhile, melt 4 tbsp butter over low heat.
  • Remove baking sheet from oven and add asparagusĀ around the edges of the pan.
  • Slice tomatoes and add on top of the asparagus.
  • Sprinkle salt and pepper over veggies.
  • Drizzle melted butter over veggies and then top with 1/2 cup shredded Parmesan and 1 tsp dried parsley.
  • Add sliced lemons.
  • Return pan to oven and bake for 10-15 minutes or until chicken reaches the proper internal temperature and veggies are tender.


Nutrition information was calculated using MyFitnessPal and is for reference/information only. I highly recommend doing your own calculations.


Calories: 526kcal | Carbohydrates: 8g | Protein: 33g | Fat: 41g | Fiber: 2g | Sugar: 2g
Nutrition information shown is an estimate and is not to be assumed to be accurate. If accurate information is required for your diet or lifestyle, please calculate the nutrition yourself using a tool you trust.