Cooktop appliance

1. A cooktop appliance, comprising:

a panel having an outer surface;

a plurality of gas burners positioned at the outer surface of the panel;

a griddle plate positioned over at least one gas burner of the plurality of gas burners, the griddle plate having a bottom surface that faces the outer surface of the panel;

an electric heating element mounted to the griddle plate, the electric heating element having a plug;

a socket mounted to the panel, the socket receiving the plug of the electric heating element;

a gas conduit extending to the at least one gas burner of the plurality of gas burners; and

a switch coupled to the gas conduit, the switch configured for obstructing gas fuel flow to the at least one gas burner of the plurality of gas burners when the griddle plate is positioned over the at least one gas burner of the plurality of gas burners;

wherein the switch is also configured for interrupting power to an igniter of the at least one gas burner of the plurality of gas burners and the socket when the griddle plate is positioned over the at least one gas burner of the plurality of gas burners.

2. The cooktop appliance of claim 1 , further comprising a grate, the grate configured to be positioned on the panel at the at least one gas burner of the plurality of gas burners when the griddle plate is removed from the panel.

3. The cooktop appliance of claim 1 , wherein the switch comprises a plunger switch extending through the panel, the griddle plate contacting the plunger switch such that the plunger switch obstructs the gas fuel flow to the at least one gas burner of the plurality of gas burners when the griddle plate is positioned over the at least one gas burner of the plurality of gas burners.

4. The cooktop appliance of claim 1 , wherein the griddle plate comprises cast iron, steel or aluminum.

5. The cooktop appliance of claim 1 , wherein the griddle plate defines a width along a lateral direction, the panel also defining a width along the lateral direction, the width of the griddle plate being no less than half the width of the panel.

6. The cooktop appliance of claim 1 , wherein the griddle plate has a cooking surface positioned opposite the bottom surface of the griddle plate, the outer surface of the panel defining an area in a plane that is perpendicular to a vertical direction, the cooking surface of the griddle plate also defining an area in a plane that is perpendicular to the vertical direction, the area of the cooking surface of the griddle plate sized between fifty percent and one-hundred percent of the area of the outer surface of the panel.

7. The cooktop appliance of claim 6 , wherein the outer surface of the panel and the cooking surface of the griddle plate each have a rectangular or square shape.

8. The cooktop appliance of claim 1 , wherein the griddle plate is positioned over at least three of the as burners of the plurality of gas burners.

9. The cooktop appliance of claim 8 , wherein the griddle plate is not positioned over all of the gas burners of the plurality of gas burners.

10. A cooktop appliance, comprising:

a panel having an outer surface;

a plurality of gas burners positioned at the outer surface of the panel;

a plurality of grates having a first grate, the first grate configured to be positioned on the panel over a first gas burner of the plurality of gas burners in a gas burner cooking configuration;

a griddle assembly configured to be positioned on the panel over the first gas burner of the plurality of gas burners in a griddle cooking configuration, the griddle assembly including a griddle plate and an electric heating element mounted to the griddle plate, the electric heating element including a plug;

a socket mounted to the panel, the socket configured for receiving the plug of the electric heating element in the griddle cooking configuration; and

a gas conduit extending to the first gas burner; and

a switch coupled to the gas conduit, the switch configured for obstructing gas fuel flow to the first gas burner in the griddle cooking configuration;

wherein the switch comprises a plunger switch extending through the panel, the griddle plate contacting the plunger switch such that the plunger switch obstructs the gas fuel flow to the first gas burner in the griddle cooking configuration.

11. The cooktop appliance of claim 10 , wherein the switch is also configured for interrupting power to an igniter of the first gas burner and the socket in the griddle cooking configuration.

12. The cooktop appliance of claim 10 , wherein the griddle plate comprises cast iron steel or aluminum.

13. The cooktop appliance of claim 10 , wherein the griddle plate defines a width along a lateral direction, the panel also defining a width along the lateral direction, the width of the griddle plate being no less than half the width of the panel.

14. The cooktop appliance of claim 10 , wherein the griddle plate has a cooking surface, the outer surface of the panel defining an area in a plane that is perpendicular to a vertical direction, the cooking surface of the griddle plate also defining an area in a plane that is perpendicular to the vertical direction, the area of the cooking surface of the griddle plate sized between fifty percent and one-hundred percent of the area of the outer surface of the panel.

15. The cooktop appliance of claim 14 , wherein the outer surface of the panel and the cooking surface of the griddle plate each have a rectangular or square shape.

16. The cooktop appliance of claim 10 , wherein the griddle plate is positioned over at least three of the gas burners of the plurality of gas burners in the griddle cooking configuration.

17. The cooktop appliance of claim 16 , wherein the griddle plate is not positioned over all of the gas burners of the plurality of gas burners in the griddle cooking configuration.