Creamed Peas and Potatoes

0 If peas are fresh then barely cover them with salted water, and simmer over medium heat until tender, about 7-10 minutes.
1 Drain and set aside.
2 Place potatoes in a large pot and cover with salted water.
3 Bring to a boil over medium high heat.
4 Reduce heat to medium-low and simmer until fork tender, about 15 to 20 minutes.
5 Drain and set aside.
6 Melt butter in the same saucepan over medium heat.
7 Whisk in flour.
8 Cook for 2 minutes stirring constantly.
9 Gradually whisk in milk, stirring constantly until smooth and slightly thickened.
10 Add in frozen peas.
11 Allow to simmer gently for a few minutes, or until peas are heated through.
12 Season with salt and pepper to taste.
13 Add potatoes and ham (and peas if you cooked them from fresh).
14 Simmer, stirring often to make sure the sauce doesn't stick to the pan, until potatoes are heated through, about 5 minutes.
15 Serve immediately.