PanBest amountBest forDownside
Milk pan (~14 cm, spout)One mug to a small servingMilk, sauce, butter, one-person heating — the defaultToo small for a real meal
18 cm saucepan2-4 servingsEveryday cooking (already owned)Slow and wide for a single mug
Butter warmer (tiny)A few spoonfulsMelting butter, ghee, small saucesOne narrow job
Microwave + jugAny small amountNo extra panUneven; watch for boil-over