I made Smitten Kitchen's Ridiculously Easy Butterscotch Sauce--I could have eaten the whole jar by myself and no one would have been the wiser (after all it was my birthday). But I shared with my family and everyone loved it. It is also super easy to make and doesn't require a candy thermometer (which is good since I don't have a candy thermometer).
So if you like butterscotch or caramel, run to your kitchen and start cooking. Unless, of course, you are trying to stay away from indulgent foods (if so, I'm sorry that you had to see this). You can always save this recipe for "later".
1/4 cup (4 tablespoons, 2 ounces or 1/2 stick) unsalted butter
1/2 cup packed dark or light brown sugar (Smitten Kitchen used dark, I used light)
1/2 cup heavy cream
1/2 teaspoon flaky sea salt (or 1/4 teaspoon regular salt), plus more to taste
1 1/2 teaspoons vanilla extract, plus more to taste
Remove from heat and add one teaspoon of the vanilla extract, stirring to combine. Dip a spoon in the sauce and carefully taste the sauce (without burning your tongue!) to see if you want to add additional pinches or salt or splashes of vanilla. Tweak it to your taste, whisking well after each addition. I used close to a full teaspoon of flaky salt and the listed amount of vanilla to get a butterscotch sauce with a very loud, impressive butterscotch flavor but the strength of your vanilla and intensity of your salt may vary.
Serve cold or warm over vanilla ice cream, or pound cake, or straight from the jar with a spoon. The sauce will thicken as it cools. It can be refrigerated in an airtight container and reheated in a microwave or small saucepan.