To the fry pan add 30 ml Olive Oil, allow to get hot, add Onions, lightly season with Salt, Pepper, and Garlic Plus, sauté for 8 minutes, add Onions to the pot, leaving Oil behind. Add 35 ml Olive Oil to fry pan, allow to get hot, add Celery, lightly season with Salt, Pepper, and Garlic Plus, sauté for 5 minutes, Add Carrot to the pan, lightly season with Salt, Pepper, and Garlic Plus, sauté for 6 minutes, stirring frequently.
Reduce heat to medium. Add Butter to the pan, allow to melt, then add Mushrooms, sauté for 8 minutes, stirring occasionally. Make a well in centre of pan, add Garlic, sauté 30 seconds. Deglaze pan with Wine, allow Wine to mostly reduce.
Add Mushrooms to pot, mix well.
Add Potatoes, Leek, and Turnip to pot, mix well.
Simmer, covered for 90 min. Add in Peas. Simmer, uncovered for 10 minutes more.
Roux:
- In a small skillet on medium heat, add Butter. Allow Butter to melt and stop bubbling, (2 minutes). Add in Flour, stir constantly for 3 minutes.
Add Roux to pot, mix until Sauce thickens.