Preheat oven to 190°C.
Toss oats, brown sugar, almonds and cinnamon to combine. Stir in butter until roughly combined. Stir in raisins.
Cut pears in half (do not peel) and scoop out core. Lay pear halves in a baking dish and brush tops with melted butter.
Press oat filling into center of each pear. Bake, uncovered for 25 minutes, until pears are tender and oat filling is lightly browned.
Serve warm, drizzled with honey and with yogurt for breakfast, or with ice cream for dessert.