# Hybrid French Onion-Potato Soup Recipe

> A fall soup blending French onion and potato-leek flavors with caramelized alliums.
- Title: Hybrid French Onion-Potato Soup Recipe · Sfchronicle
- Summary: A fall soup blending French onion and potato-leek flavors with caramelized alliums.
- Keywords: french onion soup, potato leek soup, caramelized onions, sourdough toast, gruyère cheese, bay area, fall recipes, potato soup, leek soup, alliums, Sfchronicle
- Source: Sfchronicle — https://sfchronicle.com/food/recipes/article/soup-french-onion-potato-leek-22495816.php
- Read time: 1 min
- Topics: french onion soup, potato leek soup, caramelized onions, sourdough toast, gruyère cheese, bay area, fall recipes, potato soup, leek soup, alliums, news, local
## Fall Soup Season Begins
The Bay Area had a hot start to the fall but soup season is finally around the corner.
## Hybrid Soup Concept
Octavio Peña combines French onion soup and potato-leek soup for a new fall recipe.
## Caramelizing Alliums
Cook onions, leeks, and shallots for 45 minutes to 1 hour until golden brown.
## Potato Soup Preparation
Simmer potatoes in chicken stock until tender, then blend with buttermilk for creaminess.
## Gruyère Toast Method
Toast sourdough slices, top with gruyère cheese, and broil until bubbly.
## Fall Flavor Balance
Caramelized onions provide sweet, savory depth while leeks add subtle earthiness.
## Serving Instructions
Serve soup in shallow bowls with a slice of sourdough toast topped with gruyère and chives.
## Recipe Details
Serves 4; makes 8 cups; requires 45 minutes to 1 hour for caramelized alliums.
## Key takeaway

Octavio Peña shares a hybrid French onion-potato soup recipe using caramelized onions, leeks, and sourdough toast with gruyère.