That's no fun! But fret not, thus far you can collect food in two different ways; here's a quick rundown of the two of them!
How to get Foods:
1, Crops; Breaking Grass blocks will sometimes give you various foods such as Grapes, Carrots, Potatoes, Wheat Seeds etc. Farm-Land can be made by Right-Clicking with any shovel on Grass or Dirt, (except for wooden shovels, they're not strong enough). And to plant; simply place the food onto the Farm-Land.
2, Fruit; Breaking Oak-Leaves has a chance of dropping Fruit-Tree Saplings.
Animals are in the works also.
If you've any further questions, please don't be hesitant to ask! :)