You can find a sample business plan for a small business in all kinds of formats. There is a sample business plan for a small business where you basically fill in the blanks or you can have access to a sample business plan for a small business where you can pattern yours from it or you can develop a business plan that is centered on what you want for your dreams and your life.
Since your mission statement is only a few pages long, your executive summary will allow you to further expand upon key points mentioned in the mission statement. Consider including your business history, biographies of key players, an overview of the business including locations, employees and available products and services. You can also discuss goals and future plans. Use this section to really draw in the readers.