The Foundation
What "Shelf-Stable" Means Under Michigan Law
Michigan's cottage food law is built around one central safety concept: non-potentially hazardous food — also called non-TCS (non-Time/Temperature Control for Safety). To qualify as a cottage food, a product must be able to sit safely at room temperature without becoming a vehicle for foodborne illness.
This isn't just a paperwork rule. It's the reason home kitchens can produce these foods without commercial oversight. When food doesn't require refrigeration to remain safe, the risks of an uninspected kitchen are dramatically lower. Understanding why your products are safe is as important as knowing that they are — especially if a customer or market manager ever asks.
| Product | Room-Temp Shelf Life | Why It's Safe |
|---|---|---|
| Bread & rolls | 3–7 days | Low moisture, baked to kill pathogens |
| Cookies & brownies | 1–3 weeks | Low moisture, high sugar or fat content |
| Fruit jam / jelly | 1–2 years (sealed) | High sugar content inhibits microbial growth |
| Hard candy | 6–12 months | Very low water activity (Aw) |
| Granola | 2–4 weeks | Low moisture, baked, low water activity |
| Dried herbs | 6–18 months | Dehydrated — almost no free water |
| Roasted coffee | 2–4 weeks (peak) | Roasting eliminates pathogens; low moisture |
| Popcorn | 1–2 weeks | Low moisture once popped |
| Dry mixes | 6–12 months | No water = no microbial growth |
| Fruit pies (non-custard) | 2–3 days | Acidic fruit filling; baked crust |
Category Deep Dive
Baked Goods
What Qualifies
- Sourdough, white, wheat, multigrain loaves
- Dinner rolls, sandwich rolls
- Banana bread, zucchini bread
- Cornbread & corn muffins
- Focaccia & flatbreads
- Crackers (all varieties)
- Biscuits
- Pretzels (soft & hard)
Key Rules
- Must be shelf-stable — no cream cheese fillings
- Inclusions (nuts, dried fruit) are fine
- Flavored oils in bread dough are fine
- Garlic bread: the baked version is fine
- Whole grain or seeded varieties fully allowed
What Qualifies
- Layer cakes with shelf-stable frosting
- Cupcakes with buttercream or royal icing
- Bundt cakes & tube cakes
- Pound cakes
- Muffins (all varieties)
- Scones with glaze or icing
- Coffee cake
- Donuts (glazed, powdered, cake)
Frosting Rules
- Buttercream ✓
- Royal icing ✓
- Fondant ✓
- Ganache (shelf-stable) ✓
- Powdered sugar glaze ✓
- Cream cheese frosting ✗ (requires refrigeration)
- Whipped cream ✗
- Pastry cream ✗
- Fresh fruit topping ✗
Allowed Pie Types
- Apple pie
- Cherry pie (Michigan's specialty!)
- Blueberry pie
- Strawberry-rhubarb pie
- Peach pie
- Mixed berry pie
- Fruit hand pies & turnovers
- Pop-tart style pastries
Prohibited Pie Types
- Pumpkin pie (contains egg, requires refrigeration)
- Pecan pie (contains egg)
- Chess pie (egg-based)
- Banana cream pie
- Coconut cream pie
- Lemon meringue pie
- Custard pie of any kind
- Cheesecake
Category Deep Dive
Jams, Jellies & Fruit Preserves
What Qualifies
- Standard fruit jams (strawberry, cherry, blueberry, peach, raspberry, apricot, plum, grape, mixed berry)
- Fruit jellies (grape, apple, raspberry, currant)
- Marmalade (verify with MDARD)
- Fruit preserves with whole fruit pieces
- Fruit conserves
Technical Requirements
- Must use conventional sugar (not substitutes)
- Must be fruit-based (not vegetable)
- Must meet 21 CFR Part 150 standard
- Must be in glass jars for room-temp storage
- Lids must seal properly (no open jars)
Category Deep Dive
Granola, Trail Mix & Dried Goods
Allowed Varieties
- Baked granola (oil or butter-based)
- Granola bars (shelf-stable binders only)
- Muesli (untoasted oat blends)
- Toasted oat cereal
- Trail mix (nuts, dried fruit, seeds)
- Snack mixes (pretzels, nuts, cereal)
- Flavored popcorn blends
Ingredient Rules
- Honey, maple syrup, agave as binders ✓
- Chocolate chips as inclusions ✓
- Dried cranberries, raisins, apricots ✓
- Seeds (chia, flax, sunflower, pumpkin) ✓
- Coconut (shredded, toasted) ✓
- Fresh fruit — no (adds moisture)
- Yogurt coating — verify water activity
Allowed Products
- Dried single herbs (basil, thyme, rosemary, etc.)
- Custom spice blends & rubs
- Seasoning salts
- BBQ rubs & steak seasoning
- Poultry seasoning blends
- Taco & chili seasoning mixes
- Italian seasoning blends
- Herbes de Provence, za'atar, dukkah
Packaging Tips
- Glass jars with tight-fitting lids ideal
- Kraft paper bags with tin-tie closures work well
- Mylar pouches for longer shelf life
- Silica gel packets not necessary but can extend freshness
- Keep away from light and heat for longest shelf life
Allowed Dry Mixes
- Cake mixes & brownie mixes
- Cookie mixes (jar cookies)
- Pancake & waffle mixes
- Cornbread mix
- Bread machine mixes
- Soup mixes (all dry ingredients)
- Dip mixes (ranch, onion, spinach)
- Hot cocoa & cider spice mixes
- Dry lemonade or tea blend mixes
Important Notes
- All components must be fully dry
- No wet or moist ingredients
- Layered-jar cookie mixes (oats, chips, etc.) ✓
- Include clear customer preparation instructions
- Allergen labeling especially critical for mixes
- Bulk dry mixes purchased at wholesale may be repackaged as cottage food
Category Deep Dive
Roasted Coffee, Popcorn & Snack Foods
What's Allowed
- Home-roasted whole bean coffee
- Ground coffee (any grind)
- Flavored coffee (naturally flavored beans)
- Custom blended roasts
- Single-origin roasts
- Pre-measured pour-over packets
What's Not Allowed
- Bottled cold brew (a beverage)
- Liquid coffee concentrate
- Coffee syrups
- Ready-to-drink coffee
Allowed Varieties
- Plain salted popcorn
- Caramel corn (classic & flavored)
- White cheddar popcorn
- Kettle corn
- Chocolate drizzled popcorn
- Buffalo ranch popcorn
- Cinnamon sugar popcorn
- Seasonal flavors (pumpkin spice, etc.)
Packaging Notes
- Clear bags with twist ties or heat-seal
- Clear canisters or tins work well for gifting
- Must be fully cooled before packaging
- Avoid moisture-rich toppings
- Caramel corn should be fully dried/cooled before bagging
Michigan's Agricultural Edge
The Michigan Pantry: Farm-to-Cottage Ingredients
🌱 Michigan Grows What You Need
Michigan ranks second only to California in agricultural diversity — producing more than 300 different food and agricultural products. For cottage food sellers, this translates into an extraordinary supply of premium local ingredients that can be the foundation of your product line and your brand story.
Using Michigan-grown ingredients isn't just a feel-good story — it's a competitive differentiator. Farmers market shoppers consistently pay premium prices for locally sourced products. A blueberry jam made with Leelanau County blueberries, or a cherry pie filling using Traverse City tart cherries, carries a story that mass-produced products can never replicate.
Many of Michigan's fruit farmers sell directly to the public at farm stands, U-pick operations, and farmers markets, making it easy to source ingredients while building relationships with the agricultural community that underlies Michigan's cottage food identity.
Best Practices
Packaging Shelf-Stable Products Well
Good packaging preserves quality, communicates compliance, and builds your brand. For shelf-stable cottage foods, packaging also plays a direct role in maintaining the shelf stability that makes the product legal.
Moisture Control
Moisture is the enemy of shelf-stable foods. Package baked goods only when fully cooled. Use food-safe desiccant packets in cookies and crackers for extended shelf life.
Light & Heat
Opaque packaging protects coffee, herbs, and oils from light degradation. Store products away from direct sunlight and heat during transport and at markets.
Container Choices
Glass jars for jams and vinegars. Sealed bags for baked goods. Kraft bags with tin ties for dry mixes. Tins for cookies and brittle. Match container to product life.
Label Placement
Labels must be legible and firmly attached. The mandatory MDARD disclaimer must be in 11-point minimum font in contrasting color. Don't bury it in the back — but you don't have to lead with it either.
Best By Dates
Not required by Michigan law but strongly recommended. A "Best By" date builds customer trust and helps manage inventory. Set conservative dates — most cottage food products are best within 2–4 weeks.
Tell Your Story
Your label is prime marketing real estate after the required elements. Use remaining space for your farm source, production story, serving suggestions, or QR code linking to your seller profile.