for the anchovy butter:

• 1 stick softened butter
• 6 finely minced anchovies
• 1 minced scallion
• 1 tablespoon minced dill or basil and parsley (whatever you have on hand)
• 1 minced garlic clove
• pinch salt and pepper
• 1 tablespoon fresh lime or lemon

for the tartines:

• good bread, sliced and toasted
• thinly sliced radishes or turnips
• nice sea salt, such as Maldon