Heat the oven to 375 F.

Line baking sheets with parchment paper.

In a mixing bowl with a wooden spoon, combine the peanut butter and sweetened condensed milk until smooth. Add the vanilla and stir to blend.

Add the baking mix and blend thoroughly. The dough will be quite stiff.

Use a cookie scoop to scoop up the dough and then roll them into small balls. Roll them in the sugar and place them on the prepared baking sheets leaving about 1 1/2 inches between the cookies. The spread very little

Dip a fork in the granulated sugar and lightly press onto each ball of cookie dough, making criss-cross marks.

Bake for 7 to 9 minutes, until set.