Salmonella and E. coli in Cookie Dough: A High School Baking Quiz

📚 Quick Study Guide

• 🥚 Raw Eggs: 🦠 Often contain Salmonella. Always avoid eating raw or undercooked eggs.
• 🌾 Raw Flour: ⚠️ Can harbor E. coli. Heat-treating flour before baking eliminates this risk.
• 🔥 Baking Temperatures: 🌡️ Ensure your oven reaches the correct temperature to kill any bacteria present: Typically around $350^{\circ}F$ ($175^{\circ}C$) for cookies.
• 🧼 Hygiene: 🤲 Wash your hands thoroughly with soap and water before and after handling raw cookie dough ingredients.
• 🥄 Cross-Contamination: 🚫 Use separate utensils and surfaces for raw and cooked foods to prevent the spread of bacteria.
• 🌡️ Storage: ❄️ Properly store cookie dough and baked cookies to prevent bacterial growth; refrigeration is key.
• 💡 Safe Practices: ✅ Follow safe food handling practices to minimize the risk of foodborne illnesses.

🧪 Practice Quiz

1. What is the primary risk associated with consuming raw eggs in cookie dough?
   1. Increased sweetness
   2. Salmonella contamination
   3. Improved texture
   4. Enhanced flavor
2. Why is it important to avoid eating raw flour in cookie dough?
   1. It can cause the cookies to be too dry
   2. It may contain harmful bacteria such as E. coli
   3. It adds an unpleasant taste
   4. It makes the dough difficult to work with
3. What is the best way to eliminate the risk of E. coli in raw flour?
   1. Refrigerating the flour
   2. Freezing the flour
   3. Heat-treating the flour
   4. Washing the flour
4. At what temperature should cookies typically be baked to kill any potential bacteria?
   1. $250^{\circ}F$ ($120^{\circ}C$)
   2. $300^{\circ}F$ ($150^{\circ}C$)
   3. $350^{\circ}F$ ($175^{\circ}C$)
   4. $400^{\circ}F$ ($200^{\circ}C$)
5. Why is it important to wash your hands before handling cookie dough ingredients?
   1. To keep the dough from sticking to your hands
   2. To prevent the spread of bacteria
   3. To maintain the dough's temperature
   4. To improve the dough's texture
6. What is cross-contamination?
   1. Using the same bowl for multiple cookie recipes
   2. The transfer of bacteria from raw to cooked foods
   3. Adding too much sugar to the dough
   4. Mixing different types of flour together
7. How should cookie dough and baked cookies be stored to prevent bacterial growth?
   1. At room temperature
   2. In a warm oven
   3. In direct sunlight
   4. Refrigerated