Place a small roasting pan in oven. Preheat oven to 450°.
Place broccoli in a large bowl; drizzle with oil. Toss to coat. Add sambal, salt, and sugar to broccoli mixture; toss. Add broccoli mixture to hot roasting pan; toss. Bake at 450° for 5 minutes; remove from oven. Add garlic to pan; stir. Bake an additional 5 minutes or until broccoli is lightly browned.