In a large soup pot over medium-high heat, heat the oil.

Add the onions.

Season with salt, pepper, crushed red pepper.

Saute for 2 minutes.

Add the garlic, bay leaf, and split peas and cook, stirring, for 1 minute.

Add the broth and ham.

Bring to a boil, then reduce the heat to medium and simmer, stirring occasionally, for 1 hour or more, until the peas are tender.

Remove from the heat and let cool slightly.

Remove the bay leaf and discard.

Add the milk and, using a hand-held blender or potato masher, process until smooth.

Add the hot sauce if desired and serve hot.

NOTE: can be done in crockpot on high for 4-5 hours