If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Bacon! Lettuce, tomato, bread, cheese, sardines. And BACON! Click flying bits of food to construct delicious sandwiches. Hurry though - if you don't make sandwiches fast enough, you go hungry! Fortunately, every sandwich you complete contains BACON.
Click on food to build your sandwich.