15 HR-Approved Office Halloween Costumes for 2026
Find 15 office-friendly Halloween costume ideas for 2026, with practical checks for dress codes, respectful themes, comfort, and workplace safety.
For a Halloween party, choose cocktails that look dramatic but use familiar ingredients and simple techniques. These five single-serve recipes cover a dark berry sour, a pumpkin mule, a ruby citrus highball, a fresh green gimlet, and an espresso martini. Set out a measured jigger (a small bar measuring cup), plenty of ice, and one no-alcohol option so guests can choose without slowing down the host.

For each drink, measure spirits with a jigger rather than pouring by eye. A U.S. standard drink is an alcohol amount, not a glass size: NIAAA defines one standard drink as 0.6 fluid ounces of pure alcohol, which is about 1.5 fluid ounces of 80-proof (40% ABV) spirits. ABV means alcohol by volume. Cocktails can contain one or more standard drinks, especially when a recipe includes multiple spirits or a heavy pour. Keep recipes and bottles visible so guests can make informed choices.
Have a cocktail shaker or a tightly sealed jar, a strainer, a citrus juicer, a bar spoon, and ice ready. Chill juices and prepared garnishes, and cut citrus shortly before serving. A “shake” means shaking ingredients with ice to chill and combine them; “strain” means pouring the drink through a strainer to leave the ice or solid ingredients behind. Shake drinks with juice, puree, or coffee; stir or build a drink directly in its serving glass when a recipe says so.
Ingredients, one drink: 1 1/2 ounces bourbon; 3/4 ounce fresh lemon juice; 1/2 ounce blackberry preserves; 1/4 ounce simple syrup (equal parts sugar and water, dissolved); ice; 2 blackberries and a lemon peel for garnish.
Make it: Add bourbon, lemon juice, preserves, syrup, and ice to a shaker. Shake for about 10 seconds, then strain into a rocks glass over fresh ice. Garnish with blackberries and a curled lemon peel. If the preserves are very sweet, omit the simple syrup; if they have large seeds, use a fine strainer.
Ingredients, one drink: 1 1/2 ounces vodka; 1 tablespoon plain pumpkin puree; 1/2 ounce lime juice; 1/2 ounce maple syrup; 3 ounces ginger beer; ice; a cinnamon stick or lime wheel.
Make it: Shake vodka, pumpkin puree, lime juice, maple syrup, and ice until cold. Strain into an ice-filled mug or tall glass, top with ginger beer, and stir once. Use plain puree rather than pumpkin pie filling, which is already sweetened and spiced. Ginger beer is a spicy, usually nonalcoholic soda; check the label if you need to avoid alcohol in every ingredient.
Ingredients, one drink: 1 1/2 ounces gin; 1 ounce blood-orange juice; 1/2 ounce lemon juice; 1/4 ounce simple syrup, optional; 2 ounces chilled club soda; ice; an orange wheel.
Make it: Shake gin, blood-orange juice, lemon juice, and optional syrup with ice. Strain into an ice-filled highball glass, top with club soda, and stir gently. Garnish with an orange wheel. If blood-orange juice is hard to find, use regular orange juice with a small splash of cranberry juice for a similar ruby color, then taste before adding syrup.
Ingredients, one drink: 1 1/2 ounces gin; 3/4 ounce lime juice; 1/2 ounce simple syrup; 3 thin cucumber slices; 3 basil leaves; ice; a cucumber ribbon or basil leaf.
Make it: In a shaker, press the cucumber and basil gently with the back of a spoon to release their aroma. Do not grind them into pulp. Add gin, lime juice, syrup, and ice; shake until chilled and fine-strain into a coupe or small stemmed glass. Fine-straining uses a second, small-mesh strainer to catch herb pieces. Garnish with cucumber.
Ingredients, one drink: 1 1/4 ounces vodka; 1/2 ounce coffee liqueur; 1 ounce cooled espresso; 1/4 ounce simple syrup, optional; ice; 3 coffee beans.
Make it: Add vodka, coffee liqueur, espresso, optional syrup, and plenty of ice to a shaker. Shake hard until the outside feels cold, then strain into a chilled martini or coupe glass. The foam forms naturally as espresso and ice are shaken together. Garnish with coffee beans. Let espresso cool before shaking so it does not melt the ice too quickly.
Do the prep in advance, but keep drinks that contain juice, herbs, or puree refrigerated until service. Measure and label each recipe; leave soda, ginger beer, and ice out of any batch until the last moment so the drinks stay fizzy and properly diluted. Do not pre-shake espresso martinis: shake each order just before serving for the foamy top. For a small party, offer two cocktails at a time instead of making all five to order.
Make the same flavor profiles alcohol-free by replacing the spirit with chilled soda water or a nonalcoholic spirit, then adjust citrus and syrup to taste. Label the alcohol-free pitcher and use a separate shaker or clean utensils. Keep garnishes simple and edible. Do not put dry ice directly into a drink served to a guest: FDA guidance warns that dry ice in beverages can injure someone through accidental ingestion or skin contact. If you want a fog effect, use a separate display vessel that guests cannot touch or drink from, and follow the FDA handling guidance.
Offer water and substantial food, and arrange a sober ride before the party. CDC notes that drinking less reduces health risks. People under 21, people who are pregnant or planning pregnancy, and people taking medicines that may interact with alcohol should not be served alcoholic drinks; guests who do not drink should have an appealing alternative. Never assume one cocktail equals one standard drink.
Find 15 office-friendly Halloween costume ideas for 2026, with practical checks for dress codes, respectful themes, comfort, and workplace safety.
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