Adding a recipe for dog food

.gitignore

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+*.workspace

pet-food/frozen-yogurt.md

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+# Frozen Yogurt for Dogs
+
+- Take 100 ml of yogurt and spread it on a plate.
+- Freeze the yogurt for 1 day.
+- Sprinkle shredded meat if available.
+
+# Serving instructions. 
+- Take out the yogurt for 10 minutes before serving. 

pet-food/meat-balls.md

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+# meat balls recipe
+
+- make a paste of dry food with shredded meat
+- roll them to ball shapes. 
+- freeze the meat balls. 
+
+# serving instructions. 
+
+- take out from freezer about 1 hour before 

recipe-book.code-workspace

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+{
+	"folders": [
+		{
+			"path": "."
+		}
+	],
+	"settings": {}
+}

soups/mushroom-soup.md

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 7. **Serve:**
    - Ladle the soup into bowls and garnish with fresh parsley. Serve with
      crusty bread on the side for dipping.
+   - Make sure the bowl is large enough for the soup.