My sins are always chocolate based! I buy a big variety bag of treat sized things. Twirls are 6 syns, mini bag of m&ms is 5, crunchie, twix or mars bar are also 5, curly wirly is 6 1/2, milky way / milky way stars are 3 1/2. Then I add in a couple of individual chocs as well - heroes 2 1/2 each, roses 2 or 2 1/2 each, after 8s are 2.
Sorry if this is choccie information over load. I loved Easter as creme eggs are 8 1/2 syns each !!!