Marshmallow Mixed Berry Pie

i created this after my oldest son watch a show (Little Bear) on tv and they were making this after he begged me enogh i did this its not perfect yet i will update when i play around with it more

• Ready In: 8 hrs 40 mins
• Serves: 4-6

Ingredients

• 1⁄2 cup milk
• 1 1⁄2 cups miniature marshmallows or 16  large marshmallows
• 1⁄4 cup raspberries
• 3⁄4 cup blackberry
• 1  cup heavy whipping cream
• 1 (6 ounce) package graham cracker pie crust or 1 (6 ounce) package  chocolate-flavored pie crusts

Directions

1. Heat milk, marshmallows and berry's in 3-quart saucepan over low heat, stirring constantly, until marshmallows are melted and blended.
2. Refrigerate about 20 minutes, stirring occasionally until mixture mounds slightly when dropped from a spoon.
3. Beat whipping cream in chilled small bowl with electric mixer on high speed until soft peaks form.
4. Fold berry mixture into whipped cream.
5. Pour into pie shell.
6. Refrigerate uncovered about 8 hours or until set.
7. Garnish with berries and whipped cream if desired.
8. Immediately refrigerate any remaining pie after serving.