Lasagna noodles are wide, flat pasta sheets made from wheat flour. They are very high in carbohydrates and are not suitable for low-carb, keto, or diabetic-friendly eating in traditional portions.

Quick Carb Snapshot

  • Carbs (per 100 g cooked): ~30 g
  • Carbs (standard portion): ~40–45 g per serving
  • Glycemic Index: Moderate to High
  • Best Substitutes: Zucchini slices, eggplant slices
  • Blood Sugar Impact: High
  • Keto-Friendly? No

Key Traits

  • Texture: Soft, chewy when cooked
  • Flavor: Neutral wheat
  • Carb Impact: Very high
  • GI / GL Notes: Refined starch raises glucose
  • Common Uses: Lasagna, baked pasta dishes

Best For

  • Traditional lasagna recipes
  • Carb-inclusive comfort meals
  • Layered baked dishes

Avoid For

  • Low-carb or keto diets
  • Diabetic-friendly meals
  • Large pasta servings

Why Lasagna Noodles Are High-Carb

Texture & Structure

  • Provide structure and layers
  • Absorb sauce well
  • Act as primary starch

Flavor & Nutrition

  • Low fiber (refined)
  • High carbohydrate density
  • Minimal micronutrients

Best Low-Carb Ways to Replace Lasagna Noodles

Low-Carb Swaps by Use

  • Layering: Zucchini slices
  • Baked dishes: Eggplant slices
  • Structure: Cabbage leaves

Tips for Successful Swaps

  • Salt and drain vegetables first
  • Slice evenly
  • Reduce sauce moisture

Storage & Shelf Life

Pantry

Dried noodles are shelf-stable.

Cooked

Cooked lasagna keeps 3–4 days refrigerated.

Signs It Has Gone Bad

  • Mold
  • Sour odor
  • Sticky residue

Allergy & Dietary Flags

  • Gluten-Free: No
  • Nuts: No
  • Nightshade: No
  • Vegan / Vegetarian: Often

Often compared to fettuccine and rigatoni, lasagna noodles are best replaced with
zucchini or eggplant for low-carb lasagna.

Best Low-Carb Swaps

Best Overall Swap

Shirataki Noodles

View Shirataki Noodles →
Secondary Swap

Spaghetti Squash

View Spaghetti Squash →