This old-fashioned brittle utilizes the rich flavor of pecans instead of peanuts and is a hit with anyone who tries it. Store in an airtight container. Line a rimmed baking sheet with a silicone mat. Mix together baking soda, 1 teaspoon water, and vanilla in a small bowl; set aside.
Add pecans, and cook 2 - 3 more minutes or to 280°F (mixture should be golden brown). Remove from heat, and stir in butter and remaining ingredients. Pour mixture onto a metal surface or onto a shallow pan. Allow to stand 5 minutes or until hardened.
Crunchy Keto Peanut Brittle is the dessert you need for all your sweet tooth. You won’t find an easier or yummier peanut brittle recipe. Line a cookie sheet with parchment paper. Cook the butter, 3 tablespoon of the cream, and the sweetener. over medium-low heat until thickened and golden.
Grease a 15x10x1-in. pan with 2 teaspoons butter; set aside. In a 2-qt. microwave-safe glass dish, combine sugar and corn syrup. Microwave, uncovered, on high for 4 minutes or until a candy thermometer reads 238° (soft-ball stage). Add pecans. Microwave for 4 minutes or until a candy thermometer reads 300° (hard-crack stage).