Place the potato wedges, 3 tablespoons of olive oil, sumac salt and pepper in a zip top bag and shake to combine. Transfer the potatoes a parchment lined baking sheet and evenly spread out the wedges. Transfer to the oven and bake for 30-35 minutes, flipping once, until evenly baked and golden brown.
Whisk remaining olive oil and chopped garlic in a large bowl. Add the mixture to the hot fries and toss to combine. Taste and season with extra salt and pepper as needed, and toss to coat. Serve with Garlic Feta Labneh.
For the Garlic Feta Labneh
Combine all ingredients together in a food processor and pulse until smooth. Season with salt as needed. Sprinkle with Sumac to serve