-
Situation lentils in a shapely bowl. Add 2 1/2 cups water; let soak for 12 hours.
-
Soften 6 tablespoons butter in a shapely Dutch oven over medium warmth. Add carrots, onion, celeriac, leeks, and celery. Cook dinner, stirring, till vegetables beget softened and onions are translucent, 2 to 3 minutes.
-
Drain and rinse lentils; add to Dutch oven. Cook dinner, stirring to mix, 2 to 3 minutes. Situation thyme, garlic, and peppercorns in a chunk of cheesecloth; tie with kitchen wire to enclose. Add to skillet on the side of rooster inventory. Situation a parchment paper round over liquid and cook for 10 minutes. Season with salt and proceed cooking till lentils are tranquil, about 5 minutes more.
-
Switch 1/3 of the soup mixture to the jar of a blender; blend till tranquil, together with rooster inventory, if predominant. Switch blended soup abet into Dutch-oven with final soup; budge to mix. Add spinach leaves, final 2 tablespoons butter, and drizzle with olive oil. Preserve warmth.
-
Beget a shapely pot with water and add vinegar; elevate to a boil over medium-high warmth. Gently crack eggs into pot, one by one, and lower warmth to medium. Cook dinner eggs for 3 minutes; the expend of a slotted spoon, transfer cooked eggs to a paper towel-lined plate.
-
Benefit soup without extend topped with a poached egg.