The Ultimate Green Bean Casserole from Scratch No Cans

Ingredients

• 500 g Fresh Green Beans (French Haricots Verts preferred), trimmed
• 1 L Water, for blanching
• 1 tbsp Coarse Salt, for blanching
• 4 Large Shallots (approx. 200 g), thinly sliced into rings
• 250 ml Neutral Oil (e.g., canola, vegetable, or peanut)
• 3 tbsp All-Purpose Flour (for dusting the shallots)
• ½ tsp Fine Sea Salt
• 4 tbsp Unsalted Butter
• 250 g Mixed Mushrooms (Cremini, Shiitake, or Oyster), sliced thinly
• 2 cloves Garlic, minced
• ¼ tsp Nutmeg, freshly grated
• ½ tsp Dried Thyme
• 4 tbsp All-Purpose Flour (for the roux)
• 250 ml Chicken or Vegetable Stock (low sodium)
• 250 ml Whole Milk or Single Cream (approx. 18% fat)
• 125 ml Heavy Cream
• 1 tbsp Soy Sauce or Tamari
• 1 tsp Worcestershire Sauce (optional, but highly recommended)
• 1 tsp Fine Sea Salt (or to taste)
• ½ tsp Freshly Ground Black Pepper