☕🍫 Double Chocolate Muffins 🧾 Ingredients Wet: * 110g unsalted butter, melted * 35g neutral oil * 170g granulated sugar * 60g brown sugar * 2 large eggs * 60ml hot water + 1–2 tsp instant coffee (dissolved) * 120ml buttermilk * 50g Greek yogurt * 2 tsp vanilla Dry: * 260g all-purpose flour * 25–28g cocoa powder * 2 tsp baking powder * 1 tsp baking soda * ¼ tsp salt Optional: * 100–150g chocolate chips/chunks ⸻ 🧑‍🍳 Instructions 1. Preheat oven to 220°C * Rack: middle rack * Mode: top & bottom heat (both rods on) * ❌ No fan (no convection) * ❌ No broiler ⸻ 2. Mix dry: Whisk flour, cocoa, baking powder, baking soda, salt. ⸻ 3. Mix wet: Whisk butter, oil, sugars, eggs, buttermilk, yogurt, vanilla, and coffee mixture. ⸻ 4. Combine: Add wet into dry, mix gently until just combined. Fold in chocolate chips if using. ⸻ 5. (Optional) Rest batter 20–30 min ⸻ 6. Bake: Fill cups ¾ full * Bake at 220°C for 5–7 min * Then reduce to 175°C and bake 10–15 min ✔ Toothp...