<human>:  What is a good recipe for no-bake cookies?
<bot>: A good recipe for no-bake cookies is 1/2 cup of butter, 1 cup of sugar, 1/4 cup cocoa powder, 1/2 cup of milk, 3 cups quick-cooking oats, and 1 teaspoon vanilla extract. In a medium saucepan, melt the butter over medium heat. Add the sugar, cocoa powder, and milk and stir until the sugar is dissolved. Remove from heat, add the oats and vanilla, and stir until combined. Drop by tablespoonfuls onto wax paper and let cool until set.