Craft and place a Sign.

Relieve a Blaze of its rod.

Construct a Nether Portal.

Bake a cake using wheat, sugar, milk and eggs!

Use a saddle to ride a pig, then have the pig get hurt from fall damage while riding it.

Catch and cook a fish!

Acquire diamonds with your iron tools.

Turn wheat into bread.

Cook and eat a pork chop.

Construct a furnace out of eight cobblestone blocks.

Use planks and sticks to make a sword.

Use planks and sticks to make a hoe.