Preheat oven to 200C. Cut potatoes into wedges and place into a baking tray with the garlic, lemon zest and oregano.
Season with salt & pepper and pour over the olive oil and stock. Bake for 30-40 minutes or until tender and golden.
Meanwhile, thread the lamb, capsicum and onion onto skewers.
10 minutes before the potatoes are ready, heat a BBQ or stove top grill to high. Season and drizzle skewers with olive oil. Grill until charred and cooked to your liking.
Pour lemon juice over the baked potatoes and sprinkle with feta. Serve with the skewers.
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