Homemade granola is forgiving and flexible, and can easily be adapted to your own tastes. Hounds have some helpful tips, too. Which nuts, seeds, or dried fruits you use is a matter of personal taste, but the bulk of your mixture should be old-fashioned rolled oats. Most recommend adding dried fruit after you bake your granola to avoid drying it out.
janniecooks suggests experimenting with proportions of dry to wet/sweet/fat ingredients. She uses 4 cups of oats and 1 cup each sunflower seed kernels, coconut, and sliced almonds tossed with 1/4 cup each of butter and honey melted together.
gordeaux offers a hint for getting dense, clumpy granola: Once it’s out of the oven, press it very firmly between two pans before it cools.
Board Link: Homemade Granola Q