Fosters Freeze Seed Oil Report Card
Based on our menu research, Fosters Freeze cooks with: soybean oil and vegetable oil blend (estimated). Across the 63 menu items we analyzed, it averages 6.0g estimated PUFA per item, earning a seed-oil grade of B (Medium Risk).
What oil does Fosters Freeze fry in? The full answer
Eating at Fosters Freeze soon? Build your order in the app and see its seed oil total before you pay.
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Safest Orders at Fosters Freeze
Learn this once: a salad with grilled protein and the dressing left off is nearly always the lowest seed oil order anywhere. So the list below sticks to real meals, salads included, never just a water.
Cleanest full order: Hot Dog + Soda, 4.0g total
| Item | PUFA |
|---|---|
| Hot Dog | 4.0g |
| Garden Burger | 4.0g |
| Cowboy Dog | 4.0g |
| Chili Dog | 5.0g |
| Double Burger | 5.0g |
Build your Fosters Freeze order
Pick your meal, sides, sauces and drink in the app and see your seed oil total before you order. It logs to your day in one tap. Free on iPhone and Android.
Build my orderWhat to Avoid at Fosters Freeze
| Item | PUFA |
|---|---|
| Fish and Chips | 18.0g |
| Chicken Sandwich | 13.0g |
| Onion Rings | 13.0g |
| Krispy Chicken Sandwich | 13.0g |
| Spicy Chicken Boss | 13.0g |
Every Fosters Freeze item, ranked
All 63 items we have for Fosters Freeze, safest first. Values are estimated grams of seed-oil PUFA per item.
| Item | PUFA |
|---|---|
| Soda | 0.0g |
| BBQ Sauce | 0.0g |
| Soft Serve Cone (small) | 1.0g |
| Soft Serve Cone (large) | 1.0g |
| Chocolate Dipped Cone (small) | 1.0g |
| Chocolate Dipped Cone (large) | 1.0g |
| Vanilla Shake (medium) | 1.0g |
| Chocolate Shake (medium) | 1.0g |
| Strawberry Shake (medium) | 1.0g |
| Sundae (small) | 1.0g |
| Banana Split | 1.0g |
| Freeze | 1.0g |
| Root Beer Float | 1.0g |
| Soft Serve Cup | 1.0g |
| Real Milkshake - Vanilla | 2.0g |
| Real Milkshake - Chocolate | 2.0g |
| Real Milkshake - Strawberry | 2.0g |
| Twister - Vanilla | 2.0g |
| Twister - Chocolate | 2.0g |
| Twister - Strawberry | 2.0g |
| Side Salad | 3.0g |
| Jr. Burger (Kids) | 3.0g |
| Hot Dog | 4.0g |
| Garden Burger | 4.0g |
| Cowboy Dog | 4.0g |
| Chili Dog | 5.0g |
| Double Burger | 5.0g |
| Turkey Burger | 5.0g |
| Grilled Chicken Sandwich | 5.0g |
| Grilled Cheese | 5.0g |
| Chili Cheese Dog | 5.0g |
| French Fries (small) | 6.0g |
| Breakfast Sun-Up Sandwich | 6.0g |
| Corn Dog (Kids) | 6.0g |
| Old Fashion with Cheese | 7.0g |
| Chili Burger with Cheese | 7.0g |
| BLT | 7.0g |
| Burrito | 7.0g |
| Crinkle Cut Fries | 7.0g |
| Waffle Fries | 7.0g |
| Breakfast Burrito | 7.0g |
| Supreme Breakfast Sandwich | 7.0g |
| Foster's Double Decker | 8.0g |
| Spicy Chipotle Chili Cheese Burger | 8.0g |
| Chicken Strips (Kids) | 8.0g |
| Chicken Strips (3 pc) | 9.0g |
| Fish Sandwich | 9.0g |
| The Big Boss Burger | 9.0g |
| Ultimate Breakfast Burrito | 9.0g |
| French Fries (large) | 10.0g |
| Chili Cheese Fries | 10.0g |
| Hamburger | 11.0g |
| Cheeseburger | 11.0g |
| Double Cheeseburger | 11.0g |
| Mozzarella Cheese Sticks | 11.0g |
| Spicy Chicken Sandwich | 12.0g |
| Fish Fillet Sandwich | 12.0g |
| Ranch | 12.5g |
| Chicken Sandwich | 13.0g |
| Onion Rings | 13.0g |
| Krispy Chicken Sandwich | 13.0g |
| Spicy Chicken Boss | 13.0g |
| Fish and Chips | 18.0g |
Frequently asked
Does Fosters Freeze use seed oils?
Based on our menu research, Fosters Freeze cooks with: soybean oil and vegetable oil blend (estimated). Across the 63 menu items we analyzed, it averages 6.0g estimated PUFA per item, earning a seed-oil grade of B (Medium Risk).
What oil does Fosters Freeze cook with?
Our research indicates: Likely soybean/vegetable oil blend for frying (unconfirmed — no allergen PDF or official disclosure found as of June 2026; consistent with standard California budget fast-food practice). Preparation can vary by location, so treat PUFA numbers as estimates.
Does Fosters Freeze use beef tallow?
No. Our research indicates Fosters Freeze cooks with soybean oil and vegetable oil blend (estimated), not beef tallow. For chains that fry in tallow or other real fats, see Tallow Watch.
Is Fosters Freeze seed oil free?
No. Our research indicates Fosters Freeze cooks with soybean oil and vegetable oil blend (estimated), which includes seed oils. See the lower-PUFA orders above for the cleanest picks.
What is the safest thing to order at Fosters Freeze?
Hot Dog is the lowest-PUFA item we analyzed at Fosters Freeze, at an estimated 4.0g PUFA. See the Safest Orders list on this page for more options.
What should I avoid at Fosters Freeze?
Fish and Chips is the highest-PUFA item we analyzed at Fosters Freeze, at an estimated 18.0g PUFA. Fried items and creamy, mayo-based sauces are usually the heaviest.
What are seed oils?
Seed oils — canola, soybean, sunflower, corn, and similar vegetable oils — are extracted from seeds using high heat and chemical solvents. They are very high in polyunsaturated fats (PUFAs), which are unstable at cooking temperatures and can oxidize easily. Many health-conscious eaters choose to minimize seed oils and prefer foods cooked in beef tallow, butter, coconut oil, or olive oil instead. This page shows estimated PUFA grams per menu item to help you make more informed choices. These are estimates — actual values vary by preparation and location. New to the topic? Start with what seed oils are and the complete list, or read the evidence on why people avoid them.
Compare other chains
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See where Fosters Freeze lands on the full Seed Oil Index, or check which chains cook in real fats on Tallow Watch. Wondering about a specific dish instead? The Is It Seed Oil food guide answers it for 200+ everyday foods, and the distributor oils page covers what independent restaurants fry in.