Lupin Flour Overview
Quick Carb Snapshot
- Carbs (per 100 g): ~40 g total, ~3–5 g net
- Carbs (standard portion): ~1–2 g net per ¼ cup
- Glycemic Index: Very low
- Best Substitutes: Almond flour, sunflower seed flour
- Diabetic-Friendly? Yes
- Keto-Friendly? Yes (portion-aware)
Key Traits
- Texture: Fine, flour-like
- Flavor: Mildly nutty, slightly bitter
- Carb Impact: Very low net carbs
- GI / GL Notes: High fiber blunts glucose response
- Common Uses: Low-carb breads, pancakes, pasta
Best For
- High-protein low-carb baking
- Keto bread recipes
- Improving structure in nut-flour doughs
Avoid For
- People with legume allergies
- Large quantities (can taste bitter)
- Recipes requiring neutral flavor
How Lupin Flour Compares to Higher-Carb Ingredients
Texture & Structure
- Provides elasticity without starch
- More structure than almond flour alone
- Does not rise like wheat flour
Flavor & Nutrition
- Very high protein
- High fiber content
- Low glycemic impact
How to Substitute Lupin Flour
Low-Carb Swaps by Use
- Baking: Almond flour + oat fiber
- Pasta: Almond flour blends
- Breads: Sunflower seed flour
Tips for Successful Swaps
- Blend with neutral flours
- Use eggs or binders
- Balance bitterness with fat or salt
Storage & Shelf Life
Pantry
Store airtight in a cool, dry place.
Cooked
Baked goods keep 3–5 days refrigerated.
Signs It Has Gone Bad
- Rancid smell
- Bitter off taste
- Clumping from moisture
Carb / Keto & Dietary Notes
- Carb Impact: Low net carbs
- Keto Use: Yes (moderation)
- Diabetic Notes: Good option
This information is for educational purposes only and not medical advice.
Allergy & Dietary Flags
- Gluten-Free: Yes
- Nuts: No (legume)
- Nightshade: No
- Vegan / Vegetarian: Yes
Carb & Dietary Tags
- Low-Carb: Yes
- High-Carb: No
- Keto-Friendly: Yes
- Diabetic-Friendly: Yes
- Low GI: Yes
Related Ingredients
Often compared to almond flour and sunflower seed flour, lupin flour offers higher protein with very low net carbs.