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Keto Lemon Herb Grouper for Dinner

A simple, healthy grouper recipe made with lemon, garlic, butter, and herbs. Perfect for anyone on the keto diet. This low-carb fish dinner is easy, full of flavor, and ready in under 30 minutes.

Ingredients

Scale
  • 4 grouper fillets (about 6 oz each)

  • 2 tbsp olive oil

  • 2 tbsp unsalted butter

  • 4 garlic cloves, finely chopped

  • Zest and juice of 1 lemon

  • 1 tsp salt

  • ½ tsp black pepper

  • 1 tbsp fresh parsley, chopped

  • 1 tbsp fresh thyme, chopped (or 1 tsp dried)

  • 1 tbsp fresh rosemary, chopped (or 1 tsp dried)

  • Lemon slices and parsley sprigs for garnish

Instructions

  • Pat fish dry with paper towels and season both sides with salt and pepper. Let it sit at room temp.

  • Mix garlic, lemon zest, parsley, thyme, and rosemary in a small bowl.

  • Heat 1 tbsp olive oil in a large pan over medium heat.

  • Cook fillets skin-side down (or flat side down if no skin) for 3-4 minutes without moving.

  • Flip fish, add butter and herb mix on top. Spoon butter over the fish while cooking.

  • Cook another 3-4 minutes until fish flakes easily.

  • Squeeze lemon juice over the fish and serve with lemon slices and parsley.

Notes

Use fresh herbs and real lemon juice for best flavor. Don’t overcook the fish—grouper dries out quickly. Tastes great with cauliflower mash, zucchini noodles, or roasted veggies.

Nutrition