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Crumb Theory

Grand Rapids, MI

Cottage bakery | Sourdough bread | Sourdough scones | Grand Rapids | Small batch | Pick-up

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About Crumb Theory

Crumb Theory

Hi there! I'm so glad you're here. In April 2025, I officially launched my cottage bakery, where I make fresh sourdough bread and scones for my amazing local community ☺️ What started as a curious scroll through sourdough videos on Instagram about 2.5 years ago quickly turned into a full-on passion - I was hooked on the process and the magic of fermentation. Beyond the bakery, I'm a full-time board certified…

Products

Artisan Sourdough Bread Choices

Artisan Sourdough Bread Choices

Naturally leavened bread with a crispy crust and a light, chewy crumb.

$10.00

$8.50 subscribed

Bacon Cheddar Chive Scone

Bacon Cheddar Chive Scone

A tender sourdough scone packed with smoked bacon, sharp aged cheddar, and fresh snipped chives - baked golden for a savory scone that’s rich, aromatic, and irresistibly satisfying.

$4.00

$3.50 subscribed

Blueberry Lemon Scone - Seasonal

Blueberry Lemon Scone - Seasonal

Tender sourdough scone bursting with Michigan blueberries and lemon baked to perfection. Flavor is seasonal.

$4.00

Cranberry White Chocolate Chip Scone

Cranberry White Chocolate Chip Scone

Tender sourdough scone with tart cranberries and sweet white chocolate chips baked to perfection.

$3.00

$2.50 subscribed

Double Chocolate Loaf

Double Chocolate Loaf

A rich, naturally leavened bread with a deep cocoa flavor, studded with melty chocolate chips for a perfect balance of tangy and sweet. Seasonal.

$12.00

Pumpkin Chocolate Chip Scone - Seasonal

Pumpkin Chocolate Chip Scone - Seasonal

Pumpkin sourdough scone with warm spices, lightly sweetened, and finished with a tender crumb and golden crust. Flavor is seasonal.

$4.00

Pumpkin Loaf - Seasonal

Pumpkin Loaf - Seasonal

A moist and tender loaf made with our signature sourdough starter and real pumpkin purée, lightly spiced with cinnamon and nutmeg. Perfectly balanced with a tangy depth and natural sweetness, this loaf is comforting, flavorful, and ideal for fall. Seasonal item.

$12.00

FAQ

How does pickup work?

After placing your order, you'll receive a confirmation with the pickup address and time window. Just come by during the window and grab your order!

What is your cancellation policy?

You can cancel or modify your order any time before the order cutoff. After cutoff, orders are final since we bake based on exact counts.

How do subscriptions work?

Subscribers get a guaranteed weekly allocation — your items are reserved before the drop opens to the public. You can skip any week you like.

What payment methods do you accept?

We accept all major credit and debit cards. Payment is processed securely at checkout.