Heat two Tbsp. of olive oil in a small skillet over medium-high heat.
Add garlic, and sauté for two minutes, till golden. Add hazelnuts and ½ tsp. salt, stirring and cooking for two more minutes.
Allow to cool, then transfer into mixing bowl with labneh. Add ½ tsp. salt, and using a spatula, mix to combine.
To serve, spread labneh mixture in a thin layer on a wide serving platter, in concentric circles. Drizzle with olive oil, and garnish with chopped red chili, thyme sprigs, and sumac.