Cafe Aion
Boulder, CO
1235 Pennsylvania Ave, Boulder, CO 80302, USA58 itemsUpdated March 19, 2026
Structured menu data
Beer/Cider
Estrella Spanish lager
$7.00Isastegi Basque Cider
$14.00Upslope IPA
$7.00Cocktails
Boulevardier
$16.00rye whiskey, contratto bitter, mata vermouth
El Diablo
$16.00mezcal, creme de cassis, ginger beer, lime
Hot Buttered Rum
$15.00dark rum, brown sugar butter
Irish Creme Espresso Martini
$16.00vodka, espresso, irish creme
Martinez
$15.00dry gin, mata vermouth, angostura bitters
Turmeric Margarita
$15.00turmeric tequila, lime, lemon simple
Coffee/Juice/Tea/Soda
Aion Iced Tea
$4.00w/orange peel & star anise
Coke, Diet Coke, Ginger Ale & Root Beer
$3.00Espresso Drinks
$4.00House-made Ginger-Limeade
$4.00Ozo Coffee French press
$69.00Tea Spot hot tea
$4.00ask your server about seasonal selections
Gin & Tonic
Empress 1908
$15.00Gin & Tonic Infusion of the week
$12.00Leopold's Summer Gin
$14.00Opal Spanish Dry Gin
$15.00Mezze
Baguette
$11.00Beets
$13.00Harissa Olives
$9.00Hummus
$14.00Non-Alcoholic Beverages
Ritual Zero Proof Gin & Tonic
$12.00Upslope Non Alcoholic Craft Lager
$7.00Paella
House Paella
$5568.00Regular 2 people / XL 4 People, please allow 50 minutes to prepare
Mar Paella
$6173.00Cod Shrimp Shrimp Piquillos
Nero Paella
$5568.00Chicken Shrimp Garlic Confit
Tierra Paella
$5771.00Scallop Squid Ink Chorizo Mushroom Chorizo
Veggie Paella
$5165.00Chicken Cauliflower Andouille
Platos
Aion Burger
$25.00Bacon, Brie, Pickles, Brioche bun, Fries
Beet Salad
$18.00Feta, Greens, Orange, Candied Pecan
Cassoulet
$29.00Duck, Chicken, Guanciale, Andouille, White Bean, Demi
Coq au Vin
$27.00Braised Chicken, Red Wine, Vegetables, Potatoes
Duck Confit
$25.00Squash, Beets, Pomegranate, Sherry Gastrique
Nicoise
$26.00Salmon, Farm Greens, Olives, Potatoes, Tomato, Egg
Scallop and Squid Ink Rice
$27.00Pippara, EVOO, Capers, Lemon Aioli
Steak Frites
$44.00American Wagyu Flatiron, Demi, Salad, Frites
Veggie Burger
$23.00Yam-quinoa Patty, Red-pepper Jelly, Aioli, Fries
Sangria
House-made Sangria
$1131.00Organic red wine, fruit, spices, and secrets
Sweets
Basque Cheesecake
$14.00Chocolate Torte
$13.00Creme Brulee
$11.00Flan
$9.00Tapas
Crispy Cauliflower
$13.00Oyster Mushrooms
$17.00Papas Bravas
$13.00Sopa De Tomate
$11.00Truffle Fries
$14.00Wines by the Glass - Orange
Gaupasa Blanco 2023
$1549.00Navarra, SP
Wines by the Glass - Red
Línea Kármán, Rioja Tinto
$1548.00DOCa Rioja 2024, SP
Syrah-Viognier, Famille Fabre, Équilibre
$1656.002021, FR
São Miguel do Sul, Alentejano
$1344.002022, Portugal
Wines by the Glass - Sparkling
L'atzar Cava Brut Catalunya
$1555.00SP Organic
Wines by the Glass - White
Armand Heitz, Chardonnay
$1656.00Vin de France, 2023, FR
Domaine Beausejour, Sauvignon Blanc
$1652.00Touraine Blanc, 2023 FR
Ostatu, Rioja Blanco
$1549.00Rioja, 2023 SP