While the earlier sections of your business plan explained your goals, your operations plan describes how you will meet them. Your operations plan should have two distinct sections as follows.
Everyday short-term processes include all of the tasks involved in running your catering business such as meeting prospective clients, drawing up contracts, providing catering services (set-up, serving, clean-up, etc.), procuring supplies, etc.
Long-term goals are the milestones you hope to achieve. These could include the dates when you expect to serve your 100th customer, or when you hope to reach $X in sales. It could also be when you expect to hire your Xth employee or launch a new location.