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Creamy Garlic Onion Bisque

The garlic flavor is surprisingly mellow, blending beautifully with leeks, onions, and fresh herbs for a rich yet balanced taste that’s perfect on a chilly night. Finish it with a swirl of heavy cream or top it with homemade crunchy keto croutons for a little extra texture. Easy to make and freezer-friendly, this bisque is ideal for quick lunches or effortless weeknight meals when you want something comforting and full of flavor.
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Prep Time 20 minutes
Cook Time 1 hour 40 minutes
Total Time 2 hours
Course Main Course
Cuisine French
Servings 4

Equipment

  • 1 knife
  • Measuring spoons
  • 1 measuring cup
  • aluminum foil
  • 1 skillet
  • 1 Large spoon
  • Immersion blender or blender

Ingredients
  

  • 1 large head garlic
  • 1-1/2 Tbsp. extra virgin olive oil
  • 4 Tbsp. butter
  • 4 large sweet onions sliced
  • 2-1/2 cups leeks sliced whites and light green only
  • 1 tsp. salt
  • 1 tsp. fresh rosemary
  • 1 tsp. dried thyme
  • 2 Tbsp. Carbquik or other low-carb baking mix
  • 2 cups milk
  • 1/3 cup dry white wine
  • 6 cups chicken broth
  • 1/2 cup sour cream
  • 1/2 cup heavy cream
  • Fresh thyme and pepper for garnish.

Instructions
 

  • Preheat the oven to 350 degrees.
  • Slice off the top of the garlic to expose the garlic heads.
  • Drizzle with olive oil.
  • Wrap the garlic head in aluminum foil and place it on a baking sheet.
  • Roast in the oven for one hour.
  • Cool 10 minutes.
  • Squeeze out the roasted garlic cloves into a bowl.
  • Set aside.
  • In a skillet, heat the olive oil and butter.
  • Saute the onion and leeks on medium heat for 20 minutes, stirring frequently.
  • Season with salt, rosemary and thyme.
  • Cook another 30 minutes, stirring occasionally, until golden.
  • Add a little water if the onion mixture seems dry.
  • Stir in the Carbquik.
  • Cook about one minute.
  • Add wine and broth.
  • Stir until combined.
  • Bring to a boil.
  • Reduce the heat and simmer for 30 minutes.
  • Add the garlic to the pan.
  • Using an immersion blender, blend until smooth. Alternatively, you can pour the mixture into a blender and pulse until smooth.
  • Add the cream and stir until incorporated.
  • Heat for about 10 minutes.
  • Add homemade Keto croutons, a swirl of cream, black pepper or fresh herbs as a garnish.
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