1 cup ice cubes, or as needed
2 (1.5 fluid ounce) jiggers Irish cream liqueur (such as Baileys®)
1 1/2 (1.5 fluid ounce) jiggers butterscotch schnapps
1/2 (1.5 fluid ounce) jigger red cinnamon schnapps
Fill a cocktail shaker with ice; pour in Irish cream liqueur, butterscotch schnapps, and cinnamon schnapps. Cover the shaker and shake until frothy. Strain into a martini glass.